1991141594

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{130021}}^1$

素因数の和:130086

約数の個数: 32

約数和(自身を含む): 3494991360

約数和(自身を除く): 1503849766

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 403, 494, 589, 806, 1178, 7657, 15314, 130021, 260042, 1690273, 2470399, 3380546, 4030651, 4940798, 8061302, 32115187, 52398463, 64230374, 76582369, 104796926, 153164738, 995570797, 1991141594]

約数ペア:

[(1, 1991141594), (2, 995570797), (13, 153164738), (19, 104796926), (26, 76582369), (31, 64230374), (38, 52398463), (62, 32115187), (247, 8061302), (403, 4940798), (494, 4030651), (589, 3380546), (806, 2470399), (1178, 1690273), (7657, 260042), (15314, 130021)]