12856475

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 16820352

約数和(自身を除く): 3963877

約数列:

[1, 5, 25, 31, 53, 155, 265, 313, 775, 1325, 1565, 1643, 7825, 8215, 9703, 16589, 41075, 48515, 82945, 242575, 414725, 514259, 2571295, 12856475]

約数ペア:

[(1, 12856475), (5, 2571295), (25, 514259), (31, 414725), (53, 242575), (155, 82945), (265, 48515), (313, 41075), (775, 16589), (1325, 9703), (1565, 8215), (1643, 7825)]