291218116

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 614577600

約数和(自身を除く): 323359484

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 83, 116, 149, 166, 203, 298, 332, 406, 581, 596, 812, 841, 1043, 1162, 1682, 2086, 2324, 2407, 3364, 4172, 4321, 4814, 5887, 8642, 9628, 11774, 12367, 16849, 17284, 23548, 24734, 30247, 33698, 49468, 60494, 67396, 69803, 86569, 120988, 125309, 139606, 173138, 250618, 279212, 346276, 358643, 488621, 501236, 717286, 877163, 977242, 1434572, 1754326, 1954484, 2510501, 3508652, 5021002, 10042004, 10400647, 20801294, 41602588, 72804529, 145609058, 291218116]

約数ペア:

[(1, 291218116), (2, 145609058), (4, 72804529), (7, 41602588), (14, 20801294), (28, 10400647), (29, 10042004), (58, 5021002), (83, 3508652), (116, 2510501), (149, 1954484), (166, 1754326), (203, 1434572), (298, 977242), (332, 877163), (406, 717286), (581, 501236), (596, 488621), (812, 358643), (841, 346276), (1043, 279212), (1162, 250618), (1682, 173138), (2086, 139606), (2324, 125309), (2407, 120988), (3364, 86569), (4172, 69803), (4321, 67396), (4814, 60494), (5887, 49468), (8642, 33698), (9628, 30247), (11774, 24734), (12367, 23548), (16849, 17284)]