13393705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 19805184

約数和(自身を除く): 6411479

約数列:

[1, 5, 13, 17, 23, 31, 65, 85, 115, 155, 221, 289, 299, 391, 403, 527, 713, 1105, 1445, 1495, 1955, 2015, 2635, 3565, 3757, 5083, 6647, 6851, 8959, 9269, 12121, 18785, 25415, 33235, 34255, 44795, 46345, 60605, 86411, 116467, 157573, 206057, 432055, 582335, 787865, 1030285, 2678741, 13393705]

約数ペア:

[(1, 13393705), (5, 2678741), (13, 1030285), (17, 787865), (23, 582335), (31, 432055), (65, 206057), (85, 157573), (115, 116467), (155, 86411), (221, 60605), (289, 46345), (299, 44795), (391, 34255), (403, 33235), (527, 25415), (713, 18785), (1105, 12121), (1445, 9269), (1495, 8959), (1955, 6851), (2015, 6647), (2635, 5083), (3565, 3757)]