81740737.000000000

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{417239}}^1$

素因数の和:417257

約数の個数: 40

約数和(自身を含む): 413902080

約数和(自身を除く): 273709776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 417239, 834478, 1251717, 1668956, 2503434, 2920673, 3337912, 5006868, 5841346, 6675824, 8762019, 10013736, 11682692, 17524038, 20027472, 23365384, 35048076, 46730768, 70096152, 140192304]

約数ペア:

[(1, 140192304), (2, 70096152), (3, 46730768), (4, 35048076), (6, 23365384), (7, 20027472), (8, 17524038), (12, 11682692), (14, 10013736), (16, 8762019), (21, 6675824), (24, 5841346), (28, 5006868), (42, 3337912), (48, 2920673), (56, 2503434), (84, 1668956), (112, 1251717), (168, 834478), (336, 417239)]