138416852

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{157}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 298779264

約数和(自身を除く): 160362412

約数列:

[1, 2, 4, 7, 14, 23, 28, 37, 46, 74, 92, 148, 157, 161, 259, 314, 322, 518, 628, 644, 851, 1036, 1099, 1369, 1702, 2198, 2738, 3404, 3611, 4396, 5476, 5809, 5957, 7222, 9583, 11618, 11914, 14444, 19166, 23236, 23828, 25277, 31487, 38332, 40663, 50554, 62974, 81326, 101108, 125948, 133607, 162652, 214933, 220409, 267214, 429866, 440818, 534428, 859732, 881636, 935249, 1504531, 1870498, 3009062, 3740996, 4943459, 6018124, 9886918, 19773836, 34604213, 69208426, 138416852]

約数ペア:

[(1, 138416852), (2, 69208426), (4, 34604213), (7, 19773836), (14, 9886918), (23, 6018124), (28, 4943459), (37, 3740996), (46, 3009062), (74, 1870498), (92, 1504531), (148, 935249), (157, 881636), (161, 859732), (259, 534428), (314, 440818), (322, 429866), (518, 267214), (628, 220409), (644, 214933), (851, 162652), (1036, 133607), (1099, 125948), (1369, 101108), (1702, 81326), (2198, 62974), (2738, 50554), (3404, 40663), (3611, 38332), (4396, 31487), (5476, 25277), (5809, 23828), (5957, 23236), (7222, 19166), (9583, 14444), (11618, 11914)]