661567218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{273601}}^1$

素因数の和:273650

約数の個数: 32

約数和(自身を含む): 1470884352

約数和(自身を除く): 809317134

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 273601, 547202, 820803, 1641606, 3556813, 7113626, 8481631, 10670439, 16963262, 21340878, 25444893, 50889786, 110261203, 220522406, 330783609, 661567218]

約数ペア:

[(1, 661567218), (2, 330783609), (3, 220522406), (6, 110261203), (13, 50889786), (26, 25444893), (31, 21340878), (39, 16963262), (62, 10670439), (78, 8481631), (93, 7113626), (186, 3556813), (403, 1641606), (806, 820803), (1209, 547202), (2418, 273601)]