61812605

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 81715200

約数和(自身を除く): 19902595

約数列:

[1, 5, 19, 31, 95, 139, 151, 155, 589, 695, 755, 2641, 2869, 2945, 4309, 4681, 13205, 14345, 20989, 21545, 23405, 81871, 88939, 104945, 398791, 409355, 444695, 650659, 1993955, 3253295, 12362521, 61812605]

約数ペア:

[(1, 61812605), (5, 12362521), (19, 3253295), (31, 1993955), (95, 650659), (139, 444695), (151, 409355), (155, 398791), (589, 104945), (695, 88939), (755, 81871), (2641, 23405), (2869, 21545), (2945, 20989), (4309, 14345), (4681, 13205)]