28720924

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{937}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 51477440

約数和(自身を除く): 22756516

約数列:

[1, 2, 4, 79, 97, 158, 194, 316, 388, 937, 1874, 3748, 7663, 15326, 30652, 74023, 90889, 148046, 181778, 296092, 363556, 7180231, 14360462, 28720924]

約数ペア:

[(1, 28720924), (2, 14360462), (4, 7180231), (79, 363556), (97, 296092), (158, 181778), (194, 148046), (316, 90889), (388, 74023), (937, 30652), (1874, 15326), (3748, 7663)]