1640952012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{81737}}^1$

素因数の和:81990

約数の個数: 48

約数和(自身を含む): 4394234880

約数和(自身を除く): 2753282868

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 239, 478, 717, 956, 1434, 1673, 2868, 3346, 5019, 6692, 10038, 20076, 81737, 163474, 245211, 326948, 490422, 572159, 980844, 1144318, 1716477, 2288636, 3432954, 6865908, 19535143, 39070286, 58605429, 78140572, 117210858, 136746001, 234421716, 273492002, 410238003, 546984004, 820476006, 1640952012]

約数ペア:

[(1, 1640952012), (2, 820476006), (3, 546984004), (4, 410238003), (6, 273492002), (7, 234421716), (12, 136746001), (14, 117210858), (21, 78140572), (28, 58605429), (42, 39070286), (84, 19535143), (239, 6865908), (478, 3432954), (717, 2288636), (956, 1716477), (1434, 1144318), (1673, 980844), (2868, 572159), (3346, 490422), (5019, 326948), (6692, 245211), (10038, 163474), (20076, 81737)]