12980165

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 18358272

約数和(自身を除く): 5378107

約数列:

[1, 5, 11, 23, 31, 55, 115, 155, 253, 331, 341, 713, 1265, 1655, 1705, 3565, 3641, 7613, 7843, 10261, 18205, 38065, 39215, 51305, 83743, 112871, 236003, 418715, 564355, 1180015, 2596033, 12980165]

約数ペア:

[(1, 12980165), (5, 2596033), (11, 1180015), (23, 564355), (31, 418715), (55, 236003), (115, 112871), (155, 83743), (253, 51305), (331, 39215), (341, 38065), (713, 18205), (1265, 10261), (1655, 7843), (1705, 7613), (3565, 3641)]