66421264

素因数分解:

$2^4\times 7^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:75

約数の個数: 120

約数和(自身を含む): 170197440

約数和(自身を除く): 103776176

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 49, 52, 56, 76, 91, 98, 104, 112, 133, 152, 182, 196, 208, 247, 266, 304, 343, 364, 392, 494, 532, 637, 686, 728, 784, 931, 988, 1064, 1274, 1372, 1456, 1729, 1862, 1976, 2128, 2401, 2548, 2744, 3458, 3724, 3952, 4459, 4802, 5096, 5488, 6517, 6916, 7448, 8918, 9604, 10192, 12103, 13034, 13832, 14896, 16807, 17836, 19208, 24206, 26068, 27664, 31213, 33614, 35672, 38416, 45619, 48412, 52136, 62426, 67228, 71344, 84721, 91238, 96824, 104272, 124852, 134456, 169442, 182476, 193648, 218491, 249704, 268912, 319333, 338884, 364952, 436982, 499408, 593047, 638666, 677768, 729904, 873964, 1186094, 1277332, 1355536, 1747928, 2372188, 2554664, 3495856, 4151329, 4744376, 5109328, 8302658, 9488752, 16605316, 33210632, 66421264]

約数ペア:

[(1, 66421264), (2, 33210632), (4, 16605316), (7, 9488752), (8, 8302658), (13, 5109328), (14, 4744376), (16, 4151329), (19, 3495856), (26, 2554664), (28, 2372188), (38, 1747928), (49, 1355536), (52, 1277332), (56, 1186094), (76, 873964), (91, 729904), (98, 677768), (104, 638666), (112, 593047), (133, 499408), (152, 436982), (182, 364952), (196, 338884), (208, 319333), (247, 268912), (266, 249704), (304, 218491), (343, 193648), (364, 182476), (392, 169442), (494, 134456), (532, 124852), (637, 104272), (686, 96824), (728, 91238), (784, 84721), (931, 71344), (988, 67228), (1064, 62426), (1274, 52136), (1372, 48412), (1456, 45619), (1729, 38416), (1862, 35672), (1976, 33614), (2128, 31213), (2401, 27664), (2548, 26068), (2744, 24206), (3458, 19208), (3724, 17836), (3952, 16807), (4459, 14896), (4802, 13832), (5096, 13034), (5488, 12103), (6517, 10192), (6916, 9604), (7448, 8918)]