221878468

素因数分解:

$2^2\times 7^3\times {\mathrm{59}}^1\times {\mathrm{2741}}^1$

素因数の和:2825

約数の個数: 48

約数和(自身を含む): 460656000

約数和(自身を除く): 238777532

約数列:

[1, 2, 4, 7, 14, 28, 49, 59, 98, 118, 196, 236, 343, 413, 686, 826, 1372, 1652, 2741, 2891, 5482, 5782, 10964, 11564, 19187, 20237, 38374, 40474, 76748, 80948, 134309, 161719, 268618, 323438, 537236, 646876, 940163, 1132033, 1880326, 2264066, 3760652, 4528132, 7924231, 15848462, 31696924, 55469617, 110939234, 221878468]

約数ペア:

[(1, 221878468), (2, 110939234), (4, 55469617), (7, 31696924), (14, 15848462), (28, 7924231), (49, 4528132), (59, 3760652), (98, 2264066), (118, 1880326), (196, 1132033), (236, 940163), (343, 646876), (413, 537236), (686, 323438), (826, 268618), (1372, 161719), (1652, 134309), (2741, 80948), (2891, 76748), (5482, 40474), (5782, 38374), (10964, 20237), (11564, 19187)]