645548406

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{18637}}^1$

素因数の和:18916

約数の個数: 32

約数和(自身を含む): 1352671488

約数和(自身を除く): 707123082

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 251, 502, 753, 1506, 5773, 11546, 17319, 18637, 34638, 37274, 55911, 111822, 428651, 857302, 1285953, 2571906, 4677887, 9355774, 14033661, 28067322, 107591401, 215182802, 322774203, 645548406]

約数ペア:

[(1, 645548406), (2, 322774203), (3, 215182802), (6, 107591401), (23, 28067322), (46, 14033661), (69, 9355774), (138, 4677887), (251, 2571906), (502, 1285953), (753, 857302), (1506, 428651), (5773, 111822), (11546, 55911), (17319, 37274), (18637, 34638)]