138976370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{7691}}^1$

素因数の和:7850

約数の個数: 32

約数和(自身を含む): 271373760

約数和(自身を除く): 132397390

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1807, 3614, 7691, 9035, 15382, 18070, 38455, 76910, 99983, 199966, 499915, 999830, 1069049, 2138098, 5345245, 10690490, 13897637, 27795274, 69488185, 138976370]

約数ペア:

[(1, 138976370), (2, 69488185), (5, 27795274), (10, 13897637), (13, 10690490), (26, 5345245), (65, 2138098), (130, 1069049), (139, 999830), (278, 499915), (695, 199966), (1390, 99983), (1807, 76910), (3614, 38455), (7691, 18070), (9035, 15382)]