218928515

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{2671}}^1$

素因数の和:2799

約数の個数: 24

約数和(自身を含む): 287517888

約数和(自身を除く): 68589373

約数列:

[1, 5, 13, 65, 97, 169, 485, 845, 1261, 2671, 6305, 13355, 16393, 34723, 81965, 173615, 259087, 451399, 1295435, 2256995, 3368131, 16840655, 43785703, 218928515]

約数ペア:

[(1, 218928515), (5, 43785703), (13, 16840655), (65, 3368131), (97, 2256995), (169, 1295435), (485, 451399), (845, 259087), (1261, 173615), (2671, 81965), (6305, 34723), (13355, 16393)]