28972445

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 37933056

約数和(自身を除く): 8960611

約数列:

[1, 5, 31, 41, 47, 97, 155, 205, 235, 485, 1271, 1457, 1927, 3007, 3977, 4559, 6355, 7285, 9635, 15035, 19885, 22795, 59737, 123287, 141329, 186919, 298685, 616435, 706645, 934595, 5794489, 28972445]

約数ペア:

[(1, 28972445), (5, 5794489), (31, 934595), (41, 706645), (47, 616435), (97, 298685), (155, 186919), (205, 141329), (235, 123287), (485, 59737), (1271, 22795), (1457, 19885), (1927, 15035), (3007, 9635), (3977, 7285), (4559, 6355)]