8973972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 26208000

約数和(自身を除く): 17234028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 149, 239, 252, 298, 447, 478, 596, 717, 894, 956, 1043, 1341, 1434, 1673, 1788, 2086, 2151, 2682, 2868, 3129, 3346, 4172, 4302, 5019, 5364, 6258, 6692, 8604, 9387, 10038, 12516, 15057, 18774, 20076, 30114, 35611, 37548, 60228, 71222, 106833, 142444, 213666, 249277, 320499, 427332, 498554, 640998, 747831, 997108, 1281996, 1495662, 2243493, 2991324, 4486986, 8973972]

約数ペア:

[(1, 8973972), (2, 4486986), (3, 2991324), (4, 2243493), (6, 1495662), (7, 1281996), (9, 997108), (12, 747831), (14, 640998), (18, 498554), (21, 427332), (28, 320499), (36, 249277), (42, 213666), (63, 142444), (84, 106833), (126, 71222), (149, 60228), (239, 37548), (252, 35611), (298, 30114), (447, 20076), (478, 18774), (596, 15057), (717, 12516), (894, 10038), (956, 9387), (1043, 8604), (1341, 6692), (1434, 6258), (1673, 5364), (1788, 5019), (2086, 4302), (2151, 4172), (2682, 3346), (2868, 3129)]