251451928

素因数分解:

$2^3\times 7^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:119

約数の個数: 160

約数和(自身を含む): 635266800

約数和(自身を除く): 383814872

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 49, 52, 53, 56, 76, 91, 98, 104, 106, 133, 152, 182, 196, 212, 247, 266, 343, 364, 371, 392, 424, 494, 532, 637, 686, 689, 728, 742, 931, 988, 1007, 1064, 1274, 1372, 1378, 1484, 1729, 1862, 1976, 2014, 2401, 2548, 2597, 2744, 2756, 2968, 3458, 3724, 4028, 4459, 4802, 4823, 5096, 5194, 5512, 6517, 6916, 7049, 7448, 8056, 8918, 9604, 9646, 10388, 12103, 13034, 13091, 13832, 14098, 17836, 18179, 19208, 19292, 20776, 24206, 26068, 26182, 28196, 31213, 33761, 35672, 36358, 38584, 45619, 48412, 49343, 52136, 52364, 56392, 62426, 67522, 72716, 84721, 91238, 91637, 96824, 98686, 104728, 124852, 127253, 135044, 145432, 169442, 182476, 183274, 197372, 236327, 249704, 254506, 270088, 338884, 345401, 364952, 366548, 394744, 472654, 509012, 593047, 641459, 677768, 690802, 733096, 945308, 1018024, 1186094, 1282918, 1381604, 1654289, 1890616, 2372188, 2417807, 2565836, 2763208, 3308578, 4490213, 4744376, 4835614, 5131672, 6617156, 8980426, 9671228, 13234312, 17960852, 19342456, 31431491, 35921704, 62862982, 125725964, 251451928]

約数ペア:

[(1, 251451928), (2, 125725964), (4, 62862982), (7, 35921704), (8, 31431491), (13, 19342456), (14, 17960852), (19, 13234312), (26, 9671228), (28, 8980426), (38, 6617156), (49, 5131672), (52, 4835614), (53, 4744376), (56, 4490213), (76, 3308578), (91, 2763208), (98, 2565836), (104, 2417807), (106, 2372188), (133, 1890616), (152, 1654289), (182, 1381604), (196, 1282918), (212, 1186094), (247, 1018024), (266, 945308), (343, 733096), (364, 690802), (371, 677768), (392, 641459), (424, 593047), (494, 509012), (532, 472654), (637, 394744), (686, 366548), (689, 364952), (728, 345401), (742, 338884), (931, 270088), (988, 254506), (1007, 249704), (1064, 236327), (1274, 197372), (1372, 183274), (1378, 182476), (1484, 169442), (1729, 145432), (1862, 135044), (1976, 127253), (2014, 124852), (2401, 104728), (2548, 98686), (2597, 96824), (2744, 91637), (2756, 91238), (2968, 84721), (3458, 72716), (3724, 67522), (4028, 62426), (4459, 56392), (4802, 52364), (4823, 52136), (5096, 49343), (5194, 48412), (5512, 45619), (6517, 38584), (6916, 36358), (7049, 35672), (7448, 33761), (8056, 31213), (8918, 28196), (9604, 26182), (9646, 26068), (10388, 24206), (12103, 20776), (13034, 19292), (13091, 19208), (13832, 18179), (14098, 17836)]