81368336

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38237}}^1$

素因数の和:38271

約数の個数: 40

約数和(自身を含む): 189660480

約数和(自身を除く): 108292144

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 38237, 76474, 152948, 267659, 305896, 535318, 611792, 726503, 1070636, 1453006, 2141272, 2906012, 4282544, 5085521, 5812024, 10171042, 11624048, 20342084, 40684168, 81368336]

約数ペア:

[(1, 81368336), (2, 40684168), (4, 20342084), (7, 11624048), (8, 10171042), (14, 5812024), (16, 5085521), (19, 4282544), (28, 2906012), (38, 2141272), (56, 1453006), (76, 1070636), (112, 726503), (133, 611792), (152, 535318), (266, 305896), (304, 267659), (532, 152948), (1064, 76474), (2128, 38237)]