331489408

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{263}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 681278400

約数和(自身を除く): 349788992

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 229, 263, 344, 458, 526, 688, 916, 1052, 1376, 1832, 2104, 2752, 3664, 4208, 5504, 7328, 8416, 9847, 11309, 14656, 16832, 19694, 22618, 29312, 33664, 39388, 45236, 60227, 78776, 90472, 120454, 157552, 180944, 240908, 315104, 361888, 481816, 630208, 723776, 963632, 1260416, 1447552, 1927264, 2589761, 3854528, 5179522, 7709056, 10359044, 20718088, 41436176, 82872352, 165744704, 331489408]

約数ペア:

[(1, 331489408), (2, 165744704), (4, 82872352), (8, 41436176), (16, 20718088), (32, 10359044), (43, 7709056), (64, 5179522), (86, 3854528), (128, 2589761), (172, 1927264), (229, 1447552), (263, 1260416), (344, 963632), (458, 723776), (526, 630208), (688, 481816), (916, 361888), (1052, 315104), (1376, 240908), (1832, 180944), (2104, 157552), (2752, 120454), (3664, 90472), (4208, 78776), (5504, 60227), (7328, 45236), (8416, 39388), (9847, 33664), (11309, 29312), (14656, 22618), (16832, 19694)]