28781592

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2557}}^1$

素因数の和:2640

約数の個数: 64

約数和(自身を含む): 83493120

約数和(自身を除く): 54711528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 67, 84, 134, 168, 201, 268, 402, 469, 536, 804, 938, 1407, 1608, 1876, 2557, 2814, 3752, 5114, 5628, 7671, 10228, 11256, 15342, 17899, 20456, 30684, 35798, 53697, 61368, 71596, 107394, 143192, 171319, 214788, 342638, 429576, 513957, 685276, 1027914, 1199233, 1370552, 2055828, 2398466, 3597699, 4111656, 4796932, 7195398, 9593864, 14390796, 28781592]

約数ペア:

[(1, 28781592), (2, 14390796), (3, 9593864), (4, 7195398), (6, 4796932), (7, 4111656), (8, 3597699), (12, 2398466), (14, 2055828), (21, 1370552), (24, 1199233), (28, 1027914), (42, 685276), (56, 513957), (67, 429576), (84, 342638), (134, 214788), (168, 171319), (201, 143192), (268, 107394), (402, 71596), (469, 61368), (536, 53697), (804, 35798), (938, 30684), (1407, 20456), (1608, 17899), (1876, 15342), (2557, 11256), (2814, 10228), (3752, 7671), (5114, 5628)]