64317584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{211571}}^1$

素因数の和:211598

約数の個数: 20

約数和(自身を含む): 131174640

約数和(自身を除く): 66857056

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 211571, 423142, 846284, 1692568, 3385136, 4019849, 8039698, 16079396, 32158792, 64317584]

約数ペア:

[(1, 64317584), (2, 32158792), (4, 16079396), (8, 8039698), (16, 4019849), (19, 3385136), (38, 1692568), (76, 846284), (152, 423142), (304, 211571)]