312445315

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{373}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 472747968

約数和(自身を除く): 160302653

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 263, 373, 455, 637, 1315, 1841, 1865, 2611, 3185, 3419, 4849, 9205, 12887, 13055, 17095, 18277, 23933, 24245, 33943, 64435, 91385, 98099, 119665, 167531, 169715, 237601, 490495, 686693, 837655, 1188005, 1275287, 3433465, 4806851, 6376435, 8927009, 24034255, 44635045, 62489063, 312445315]

約数ペア:

[(1, 312445315), (5, 62489063), (7, 44635045), (13, 24034255), (35, 8927009), (49, 6376435), (65, 4806851), (91, 3433465), (245, 1275287), (263, 1188005), (373, 837655), (455, 686693), (637, 490495), (1315, 237601), (1841, 169715), (1865, 167531), (2611, 119665), (3185, 98099), (3419, 91385), (4849, 64435), (9205, 33943), (12887, 24245), (13055, 23933), (17095, 18277)]