77788685

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 110475792

約数和(自身を除く): 32687107

約数列:

[1, 5, 13, 17, 41, 65, 85, 101, 205, 221, 289, 505, 533, 697, 1105, 1313, 1445, 1717, 2665, 3485, 3757, 4141, 6565, 8585, 9061, 11849, 18785, 20705, 22321, 29189, 45305, 53833, 59245, 70397, 111605, 145945, 154037, 269165, 351985, 379457, 770185, 915161, 1196749, 1897285, 4575805, 5983745, 15557737, 77788685]

約数ペア:

[(1, 77788685), (5, 15557737), (13, 5983745), (17, 4575805), (41, 1897285), (65, 1196749), (85, 915161), (101, 770185), (205, 379457), (221, 351985), (289, 269165), (505, 154037), (533, 145945), (697, 111605), (1105, 70397), (1313, 59245), (1445, 53833), (1717, 45305), (2665, 29189), (3485, 22321), (3757, 20705), (4141, 18785), (6565, 11849), (8585, 9061)]