28201624

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 33487976

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 101, 152, 167, 202, 209, 334, 404, 418, 668, 808, 836, 1111, 1336, 1672, 1837, 1919, 2222, 3173, 3674, 3838, 4444, 6346, 7348, 7676, 8888, 12692, 14696, 15352, 16867, 21109, 25384, 33734, 34903, 42218, 67468, 69806, 84436, 134936, 139612, 168872, 185537, 279224, 320473, 371074, 640946, 742148, 1281892, 1484296, 2563784, 3525203, 7050406, 14100812, 28201624]

約数ペア:

[(1, 28201624), (2, 14100812), (4, 7050406), (8, 3525203), (11, 2563784), (19, 1484296), (22, 1281892), (38, 742148), (44, 640946), (76, 371074), (88, 320473), (101, 279224), (152, 185537), (167, 168872), (202, 139612), (209, 134936), (334, 84436), (404, 69806), (418, 67468), (668, 42218), (808, 34903), (836, 33734), (1111, 25384), (1336, 21109), (1672, 16867), (1837, 15352), (1919, 14696), (2222, 12692), (3173, 8888), (3674, 7676), (3838, 7348), (4444, 6346)]