25214865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{677}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 43739136

約数和(自身を除く): 18524271

約数列:

[1, 3, 5, 13, 15, 39, 65, 191, 195, 573, 677, 955, 2031, 2483, 2865, 3385, 7449, 8801, 10155, 12415, 26403, 37245, 44005, 129307, 132015, 387921, 646535, 1680991, 1939605, 5042973, 8404955, 25214865]

約数ペア:

[(1, 25214865), (3, 8404955), (5, 5042973), (13, 1939605), (15, 1680991), (39, 646535), (65, 387921), (191, 132015), (195, 129307), (573, 44005), (677, 37245), (955, 26403), (2031, 12415), (2483, 10155), (2865, 8801), (3385, 7449)]