661360146490

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{30931}}^1\times {\mathrm{40343}}^1$

素因数の和:71334

約数の個数: 32

約数和(自身を含む): 1212978830976

約数和(自身を除く): 551618684486

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 30931, 40343, 61862, 80686, 154655, 201715, 309310, 403430, 1639343, 2138179, 3278686, 4276358, 8196715, 10690895, 16393430, 21381790, 1247849333, 2495698666, 6239246665, 12478493330, 66136014649, 132272029298, 330680073245, 661360146490]

約数ペア:

[(1, 661360146490), (2, 330680073245), (5, 132272029298), (10, 66136014649), (53, 12478493330), (106, 6239246665), (265, 2495698666), (530, 1247849333), (30931, 21381790), (40343, 16393430), (61862, 10690895), (80686, 8196715), (154655, 4276358), (201715, 3278686), (309310, 2138179), (403430, 1639343)]