641552765

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{5051}}^1$

素因数の和:5273

約数の個数: 32

約数和(自身を含む): 931184640

約数和(自身を除く): 289631875

約数列:

[1, 5, 7, 19, 35, 95, 133, 191, 665, 955, 1337, 3629, 5051, 6685, 18145, 25255, 25403, 35357, 95969, 127015, 176785, 479845, 671783, 964741, 3358915, 4823705, 6753187, 18330079, 33765935, 91650395, 128310553, 641552765]

約数ペア:

[(1, 641552765), (5, 128310553), (7, 91650395), (19, 33765935), (35, 18330079), (95, 6753187), (133, 4823705), (191, 3358915), (665, 964741), (955, 671783), (1337, 479845), (3629, 176785), (5051, 127015), (6685, 95969), (18145, 35357), (25255, 25403)]