247651684

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{40759}}^1$

素因数の和:40808

約数の個数: 36

約数和(自身を含む): 520423680

約数和(自身を除く): 272771996

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 6076, 40759, 81518, 163036, 285313, 570626, 1141252, 1263529, 1997191, 2527058, 3994382, 5054116, 7988764, 8844703, 17689406, 35378812, 61912921, 123825842, 247651684]

約数ペア:

[(1, 247651684), (2, 123825842), (4, 61912921), (7, 35378812), (14, 17689406), (28, 8844703), (31, 7988764), (49, 5054116), (62, 3994382), (98, 2527058), (124, 1997191), (196, 1263529), (217, 1141252), (434, 570626), (868, 285313), (1519, 163036), (3038, 81518), (6076, 40759)]