201917690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67531}}^1$

素因数の和:67574

約数の個数: 32

約数和(自身を含む): 408433536

約数和(自身を除く): 206515846

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 67531, 135062, 337655, 675310, 877903, 1553213, 1755806, 3106426, 4389515, 7766065, 8779030, 15532130, 20191769, 40383538, 100958845, 201917690]

約数ペア:

[(1, 201917690), (2, 100958845), (5, 40383538), (10, 20191769), (13, 15532130), (23, 8779030), (26, 7766065), (46, 4389515), (65, 3106426), (115, 1755806), (130, 1553213), (230, 877903), (299, 675310), (598, 337655), (1495, 135062), (2990, 67531)]