157664512

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{19867}}^1$

素因数の和:19914

約数の個数: 36

約数和(自身を含む): 324881536

約数和(自身を除く): 167217024

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 19867, 39734, 79468, 158936, 317872, 615877, 635744, 1231754, 1271488, 2463508, 2542976, 4927016, 5085952, 9854032, 19708064, 39416128, 78832256, 157664512]

約数ペア:

[(1, 157664512), (2, 78832256), (4, 39416128), (8, 19708064), (16, 9854032), (31, 5085952), (32, 4927016), (62, 2542976), (64, 2463508), (124, 1271488), (128, 1231754), (248, 635744), (256, 615877), (496, 317872), (992, 158936), (1984, 79468), (3968, 39734), (7936, 19867)]