155871776

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{821}}^1$

素因数の和:1197

約数の個数: 48

約数和(自身を含む): 326251800

約数和(自身を除く): 170380024

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 349, 544, 698, 821, 1396, 1642, 2792, 3284, 5584, 5933, 6568, 11168, 11866, 13136, 13957, 23732, 26272, 27914, 47464, 55828, 94928, 111656, 189856, 223312, 286529, 446624, 573058, 1146116, 2292232, 4584464, 4870993, 9168928, 9741986, 19483972, 38967944, 77935888, 155871776]

約数ペア:

[(1, 155871776), (2, 77935888), (4, 38967944), (8, 19483972), (16, 9741986), (17, 9168928), (32, 4870993), (34, 4584464), (68, 2292232), (136, 1146116), (272, 573058), (349, 446624), (544, 286529), (698, 223312), (821, 189856), (1396, 111656), (1642, 94928), (2792, 55828), (3284, 47464), (5584, 27914), (5933, 26272), (6568, 23732), (11168, 13957), (11866, 13136)]