28988212

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{593}}^1$

素因数の和:720

約数の個数: 36

約数和(自身を含む): 56407428

約数和(自身を除く): 27419216

約数列:

[1, 2, 4, 11, 22, 44, 101, 121, 202, 242, 404, 484, 593, 1111, 1186, 2222, 2372, 4444, 6523, 12221, 13046, 24442, 26092, 48884, 59893, 71753, 119786, 143506, 239572, 287012, 658823, 1317646, 2635292, 7247053, 14494106, 28988212]

約数ペア:

[(1, 28988212), (2, 14494106), (4, 7247053), (11, 2635292), (22, 1317646), (44, 658823), (101, 287012), (121, 239572), (202, 143506), (242, 119786), (404, 71753), (484, 59893), (593, 48884), (1111, 26092), (1186, 24442), (2222, 13046), (2372, 12221), (4444, 6523)]