638752452

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{7829}}^1$

素因数の和:8372

約数の個数: 48

約数和(自身を含む): 1608344640

約数和(自身を除く): 969592188

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 523, 1046, 1569, 2092, 3138, 6276, 6799, 7829, 13598, 15658, 20397, 23487, 27196, 31316, 40794, 46974, 81588, 93948, 101777, 203554, 305331, 407108, 610662, 1221324, 4094567, 8189134, 12283701, 16378268, 24567402, 49134804, 53229371, 106458742, 159688113, 212917484, 319376226, 638752452]

約数ペア:

[(1, 638752452), (2, 319376226), (3, 212917484), (4, 159688113), (6, 106458742), (12, 53229371), (13, 49134804), (26, 24567402), (39, 16378268), (52, 12283701), (78, 8189134), (156, 4094567), (523, 1221324), (1046, 610662), (1569, 407108), (2092, 305331), (3138, 203554), (6276, 101777), (6799, 93948), (7829, 81588), (13598, 46974), (15658, 40794), (20397, 31316), (23487, 27196)]