1998614268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{255839}}^1$

素因数の和:255887

約数の個数: 72

約数和(自身を含む): 5960048640

約数和(自身を除く): 3961434372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 255839, 511678, 767517, 1023356, 1535034, 1790873, 2302551, 3070068, 3581746, 4605102, 5372619, 7163492, 7931009, 9210204, 10745238, 15862018, 16117857, 21490476, 23793027, 31724036, 32235714, 47586054, 55517063, 64471428, 71379081, 95172108, 111034126, 142758162, 166551189, 222068252, 285516324, 333102378, 499653567, 666204756, 999307134, 1998614268]

約数ペア:

[(1, 1998614268), (2, 999307134), (3, 666204756), (4, 499653567), (6, 333102378), (7, 285516324), (9, 222068252), (12, 166551189), (14, 142758162), (18, 111034126), (21, 95172108), (28, 71379081), (31, 64471428), (36, 55517063), (42, 47586054), (62, 32235714), (63, 31724036), (84, 23793027), (93, 21490476), (124, 16117857), (126, 15862018), (186, 10745238), (217, 9210204), (252, 7931009), (279, 7163492), (372, 5372619), (434, 4605102), (558, 3581746), (651, 3070068), (868, 2302551), (1116, 1790873), (1302, 1535034), (1953, 1023356), (2604, 767517), (3906, 511678), (7812, 255839)]