638830084

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{101273}}^1$

素因数の和:101379

約数の個数: 24

約数和(自身を含む): 1190982240

約数和(自身を除く): 552152156

約数列:

[1, 2, 4, 19, 38, 76, 83, 166, 332, 1577, 3154, 6308, 101273, 202546, 405092, 1924187, 3848374, 7696748, 8405659, 16811318, 33622636, 159707521, 319415042, 638830084]

約数ペア:

[(1, 638830084), (2, 319415042), (4, 159707521), (19, 33622636), (38, 16811318), (76, 8405659), (83, 7696748), (166, 3848374), (332, 1924187), (1577, 405092), (3154, 202546), (6308, 101273)]