403968812

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:619

約数の個数: 72

約数和(自身を含む): 813117312

約数和(自身を除く): 409148500

約数列:

[1, 2, 4, 13, 26, 31, 37, 52, 62, 74, 124, 148, 169, 338, 403, 481, 521, 676, 806, 962, 1042, 1147, 1612, 1924, 2084, 2294, 4588, 5239, 6253, 6773, 10478, 12506, 13546, 14911, 16151, 19277, 20956, 25012, 27092, 29822, 32302, 38554, 59644, 64604, 77108, 88049, 176098, 193843, 209963, 250601, 352196, 387686, 419926, 501202, 597587, 775372, 839852, 1002404, 1195174, 2390348, 2729519, 3257813, 5459038, 6515626, 7768631, 10918076, 13031252, 15537262, 31074524, 100992203, 201984406, 403968812]

約数ペア:

[(1, 403968812), (2, 201984406), (4, 100992203), (13, 31074524), (26, 15537262), (31, 13031252), (37, 10918076), (52, 7768631), (62, 6515626), (74, 5459038), (124, 3257813), (148, 2729519), (169, 2390348), (338, 1195174), (403, 1002404), (481, 839852), (521, 775372), (676, 597587), (806, 501202), (962, 419926), (1042, 387686), (1147, 352196), (1612, 250601), (1924, 209963), (2084, 193843), (2294, 176098), (4588, 88049), (5239, 77108), (6253, 64604), (6773, 59644), (10478, 38554), (12506, 32302), (13546, 29822), (14911, 27092), (16151, 25012), (19277, 20956)]