218561075

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{2087}}^1$

素因数の和:2227

約数の個数: 24

約数和(自身を含む): 279624960

約数和(自身を除く): 61063885

約数列:

[1, 5, 25, 59, 71, 295, 355, 1475, 1775, 2087, 4189, 10435, 20945, 52175, 104725, 123133, 148177, 615665, 740885, 3078325, 3704425, 8742443, 43712215, 218561075]

約数ペア:

[(1, 218561075), (5, 43712215), (25, 8742443), (59, 3704425), (71, 3078325), (295, 740885), (355, 615665), (1475, 148177), (1775, 123133), (2087, 104725), (4189, 52175), (10435, 20945)]