28103208

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{409}}^2$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 80491680

約数和(自身を除く): 52388472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 409, 818, 1227, 1636, 2454, 2863, 3272, 4908, 5726, 8589, 9816, 11452, 17178, 22904, 34356, 68712, 167281, 334562, 501843, 669124, 1003686, 1170967, 1338248, 2007372, 2341934, 3512901, 4014744, 4683868, 7025802, 9367736, 14051604, 28103208]

約数ペア:

[(1, 28103208), (2, 14051604), (3, 9367736), (4, 7025802), (6, 4683868), (7, 4014744), (8, 3512901), (12, 2341934), (14, 2007372), (21, 1338248), (24, 1170967), (28, 1003686), (42, 669124), (56, 501843), (84, 334562), (168, 167281), (409, 68712), (818, 34356), (1227, 22904), (1636, 17178), (2454, 11452), (2863, 9816), (3272, 8589), (4908, 5726)]