328778888

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{12503}}^1$

素因数の和:12701

約数の個数: 32

約数和(自身を含む): 652708800

約数和(自身を除く): 323929912

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 173, 346, 692, 1384, 3287, 6574, 12503, 13148, 25006, 26296, 50012, 100024, 237557, 475114, 950228, 1900456, 2163019, 4326038, 8652076, 17304152, 41097361, 82194722, 164389444, 328778888]

約数ペア:

[(1, 328778888), (2, 164389444), (4, 82194722), (8, 41097361), (19, 17304152), (38, 8652076), (76, 4326038), (152, 2163019), (173, 1900456), (346, 950228), (692, 475114), (1384, 237557), (3287, 100024), (6574, 50012), (12503, 26296), (13148, 25006)]