2012198972

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{4993}}^1$

素因数の和:5430

約数の個数: 48

約数和(自身を含む): 4144620480

約数和(自身を除く): 2132421508

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 389, 518, 778, 1036, 1556, 2723, 4993, 5446, 9986, 10892, 14393, 19972, 28786, 34951, 57572, 69902, 100751, 139804, 184741, 201502, 369482, 403004, 738964, 1293187, 1942277, 2586374, 3884554, 5172748, 7769108, 13595939, 27191878, 54383756, 71864249, 143728498, 287456996, 503049743, 1006099486, 2012198972]

約数ペア:

[(1, 2012198972), (2, 1006099486), (4, 503049743), (7, 287456996), (14, 143728498), (28, 71864249), (37, 54383756), (74, 27191878), (148, 13595939), (259, 7769108), (389, 5172748), (518, 3884554), (778, 2586374), (1036, 1942277), (1556, 1293187), (2723, 738964), (4993, 403004), (5446, 369482), (9986, 201502), (10892, 184741), (14393, 139804), (19972, 100751), (28786, 69902), (34951, 57572)]