199976478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{19571}}^1$

素因数の和:19720

約数の個数: 32

約数和(自身を含む): 434028672

約数和(自身を除く): 234052194

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 131, 262, 393, 786, 1703, 3406, 5109, 10218, 19571, 39142, 58713, 117426, 254423, 508846, 763269, 1526538, 2563801, 5127602, 7691403, 15382806, 33329413, 66658826, 99988239, 199976478]

約数ペア:

[(1, 199976478), (2, 99988239), (3, 66658826), (6, 33329413), (13, 15382806), (26, 7691403), (39, 5127602), (78, 2563801), (131, 1526538), (262, 763269), (393, 508846), (786, 254423), (1703, 117426), (3406, 58713), (5109, 39142), (10218, 19571)]