2157989574

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1\times {\mathrm{397}}^1$

素因数の和:949

約数の個数: 64

約数和(自身を含む): 4695457536

約数和(自身を除く): 2537467962

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 227, 307, 397, 454, 614, 681, 794, 921, 1191, 1362, 1842, 2382, 2951, 3991, 5161, 5902, 7982, 8853, 10322, 11973, 15483, 17706, 23946, 30966, 69689, 90119, 121879, 139378, 180238, 209067, 243758, 270357, 365637, 418134, 540714, 731274, 905957, 1171547, 1584427, 1811914, 2343094, 2717871, 3168854, 3514641, 4753281, 5435742, 7029282, 9506562, 27666533, 55333066, 82999599, 165999198, 359664929, 719329858, 1078994787, 2157989574]

約数ペア:

[(1, 2157989574), (2, 1078994787), (3, 719329858), (6, 359664929), (13, 165999198), (26, 82999599), (39, 55333066), (78, 27666533), (227, 9506562), (307, 7029282), (397, 5435742), (454, 4753281), (614, 3514641), (681, 3168854), (794, 2717871), (921, 2343094), (1191, 1811914), (1362, 1584427), (1842, 1171547), (2382, 905957), (2951, 731274), (3991, 540714), (5161, 418134), (5902, 365637), (7982, 270357), (8853, 243758), (10322, 209067), (11973, 180238), (15483, 139378), (17706, 121879), (23946, 90119), (30966, 69689)]