312728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:147

約数の個数: 32

約数和(自身を含む): 658560

約数和(自身を除く): 345832

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 97, 104, 124, 194, 248, 388, 403, 776, 806, 1261, 1612, 2522, 3007, 3224, 5044, 6014, 10088, 12028, 24056, 39091, 78182, 156364, 312728]

約数ペア:

[(1, 312728), (2, 156364), (4, 78182), (8, 39091), (13, 24056), (26, 12028), (31, 10088), (52, 6014), (62, 5044), (97, 3224), (104, 3007), (124, 2522), (194, 1612), (248, 1261), (388, 806), (403, 776)]