1640609834

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{2707}}^1$

素因数の和:3158

約数の個数: 32

約数和(自身を含む): 2661422400

約数和(自身を除く): 1020812566

約数列:

[1, 2, 19, 38, 41, 82, 389, 778, 779, 1558, 2707, 5414, 7391, 14782, 15949, 31898, 51433, 102866, 110987, 221974, 303031, 606062, 1053023, 2106046, 2108753, 4217506, 20007437, 40014874, 43173943, 86347886, 820304917, 1640609834]

約数ペア:

[(1, 1640609834), (2, 820304917), (19, 86347886), (38, 43173943), (41, 40014874), (82, 20007437), (389, 4217506), (778, 2108753), (779, 2106046), (1558, 1053023), (2707, 606062), (5414, 303031), (7391, 221974), (14782, 110987), (15949, 102866), (31898, 51433)]