13903615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 19699200

約数和(自身を除く): 5795585

約数列:

[1, 5, 11, 23, 29, 55, 115, 145, 253, 319, 379, 667, 1265, 1595, 1895, 3335, 4169, 7337, 8717, 10991, 20845, 36685, 43585, 54955, 95887, 120901, 252793, 479435, 604505, 1263965, 2780723, 13903615]

約数ペア:

[(1, 13903615), (5, 2780723), (11, 1263965), (23, 604505), (29, 479435), (55, 252793), (115, 120901), (145, 95887), (253, 54955), (319, 43585), (379, 36685), (667, 20845), (1265, 10991), (1595, 8717), (1895, 7337), (3335, 4169)]