42872816

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20147}}^1$

素因数の和:20181

約数の個数: 40

約数和(自身を含む): 99934080

約数和(自身を除く): 57061264

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 20147, 40294, 80588, 141029, 161176, 282058, 322352, 382793, 564116, 765586, 1128232, 1531172, 2256464, 2679551, 3062344, 5359102, 6124688, 10718204, 21436408, 42872816]

約数ペア:

[(1, 42872816), (2, 21436408), (4, 10718204), (7, 6124688), (8, 5359102), (14, 3062344), (16, 2679551), (19, 2256464), (28, 1531172), (38, 1128232), (56, 765586), (76, 564116), (112, 382793), (133, 322352), (152, 282058), (266, 161176), (304, 141029), (532, 80588), (1064, 40294), (2128, 20147)]