645468

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1$

素因数の和:194

約数の個数: 36

約数和(自身を含む): 1600200

約数和(自身を除く): 954732

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 149, 228, 298, 361, 447, 596, 722, 894, 1083, 1444, 1788, 2166, 2831, 4332, 5662, 8493, 11324, 16986, 33972, 53789, 107578, 161367, 215156, 322734, 645468]

約数ペア:

[(1, 645468), (2, 322734), (3, 215156), (4, 161367), (6, 107578), (12, 53789), (19, 33972), (38, 16986), (57, 11324), (76, 8493), (114, 5662), (149, 4332), (228, 2831), (298, 2166), (361, 1788), (447, 1444), (596, 1083), (722, 894)]