87978264

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19603}}^1$

素因数の和:19640

約数の個数: 64

約数和(自身を含む): 254067840

約数和(自身を除く): 166089576

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 132, 136, 187, 204, 264, 374, 408, 561, 748, 1122, 1496, 2244, 4488, 19603, 39206, 58809, 78412, 117618, 156824, 215633, 235236, 333251, 431266, 470472, 646899, 666502, 862532, 999753, 1293798, 1333004, 1725064, 1999506, 2587596, 2666008, 3665761, 3999012, 5175192, 7331522, 7998024, 10997283, 14663044, 21994566, 29326088, 43989132, 87978264]

約数ペア:

[(1, 87978264), (2, 43989132), (3, 29326088), (4, 21994566), (6, 14663044), (8, 10997283), (11, 7998024), (12, 7331522), (17, 5175192), (22, 3999012), (24, 3665761), (33, 2666008), (34, 2587596), (44, 1999506), (51, 1725064), (66, 1333004), (68, 1293798), (88, 999753), (102, 862532), (132, 666502), (136, 646899), (187, 470472), (204, 431266), (264, 333251), (374, 235236), (408, 215633), (561, 156824), (748, 117618), (1122, 78412), (1496, 58809), (2244, 39206), (4488, 19603)]