253222788

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:402

約数の個数: 144

約数和(自身を含む): 748434624

約数和(自身を除く): 495211836

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 157, 182, 196, 211, 273, 294, 314, 364, 422, 471, 546, 588, 628, 633, 637, 844, 942, 1092, 1099, 1266, 1274, 1477, 1884, 1911, 2041, 2198, 2532, 2548, 2743, 2954, 3297, 3822, 4082, 4396, 4431, 5486, 5908, 6123, 6594, 7644, 7693, 8164, 8229, 8862, 10339, 10972, 12246, 13188, 14287, 15386, 16458, 17724, 19201, 20678, 23079, 24492, 28574, 30772, 31017, 32916, 33127, 38402, 41356, 42861, 46158, 57148, 57603, 62034, 66254, 76804, 85722, 92316, 99381, 100009, 115206, 124068, 132508, 134407, 171444, 198762, 200018, 230412, 231889, 268814, 300027, 397524, 400036, 403221, 430651, 463778, 537628, 600054, 695667, 806442, 861302, 927556, 1200108, 1291953, 1391334, 1612884, 1623223, 1722604, 2583906, 2782668, 3014557, 3246446, 4869669, 5167812, 6029114, 6492892, 9043671, 9739338, 12058228, 18087342, 19478676, 21101899, 36174684, 42203798, 63305697, 84407596, 126611394, 253222788]

約数ペア:

[(1, 253222788), (2, 126611394), (3, 84407596), (4, 63305697), (6, 42203798), (7, 36174684), (12, 21101899), (13, 19478676), (14, 18087342), (21, 12058228), (26, 9739338), (28, 9043671), (39, 6492892), (42, 6029114), (49, 5167812), (52, 4869669), (78, 3246446), (84, 3014557), (91, 2782668), (98, 2583906), (147, 1722604), (156, 1623223), (157, 1612884), (182, 1391334), (196, 1291953), (211, 1200108), (273, 927556), (294, 861302), (314, 806442), (364, 695667), (422, 600054), (471, 537628), (546, 463778), (588, 430651), (628, 403221), (633, 400036), (637, 397524), (844, 300027), (942, 268814), (1092, 231889), (1099, 230412), (1266, 200018), (1274, 198762), (1477, 171444), (1884, 134407), (1911, 132508), (2041, 124068), (2198, 115206), (2532, 100009), (2548, 99381), (2743, 92316), (2954, 85722), (3297, 76804), (3822, 66254), (4082, 62034), (4396, 57603), (4431, 57148), (5486, 46158), (5908, 42861), (6123, 41356), (6594, 38402), (7644, 33127), (7693, 32916), (8164, 31017), (8229, 30772), (8862, 28574), (10339, 24492), (10972, 23079), (12246, 20678), (13188, 19201), (14287, 17724), (15386, 16458)]