201990217

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 244944000

約数和(自身を除く): 42953783

約数列:

[1, 11, 13, 59, 89, 143, 269, 649, 767, 979, 1157, 2959, 3497, 5251, 8437, 12727, 15871, 23941, 38467, 57761, 68263, 174581, 206323, 263351, 311233, 750893, 1412519, 2269553, 3423563, 15537709, 18362747, 201990217]

約数ペア:

[(1, 201990217), (11, 18362747), (13, 15537709), (59, 3423563), (89, 2269553), (143, 1412519), (269, 750893), (649, 311233), (767, 263351), (979, 206323), (1157, 174581), (2959, 68263), (3497, 57761), (5251, 38467), (8437, 23941), (12727, 15871)]