256247946

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:332

約数の個数: 96

約数和(自身を含む): 605854080

約数和(自身を除く): 349606134

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 61, 71, 114, 122, 142, 171, 173, 183, 213, 342, 346, 366, 426, 519, 549, 639, 1038, 1098, 1159, 1278, 1349, 1557, 2318, 2698, 3114, 3287, 3477, 4047, 4331, 6574, 6954, 8094, 8662, 9861, 10431, 10553, 12141, 12283, 12993, 19722, 20862, 21106, 24282, 24566, 25986, 29583, 31659, 36849, 38979, 59166, 63318, 73698, 77958, 82289, 94977, 110547, 164578, 189954, 200507, 221094, 233377, 246867, 401014, 466754, 493734, 601521, 700131, 740601, 749263, 1203042, 1400262, 1481202, 1498526, 1804563, 2100393, 2247789, 3609126, 4200786, 4495578, 6743367, 13486734, 14235997, 28471994, 42707991, 85415982, 128123973, 256247946]

約数ペア:

[(1, 256247946), (2, 128123973), (3, 85415982), (6, 42707991), (9, 28471994), (18, 14235997), (19, 13486734), (38, 6743367), (57, 4495578), (61, 4200786), (71, 3609126), (114, 2247789), (122, 2100393), (142, 1804563), (171, 1498526), (173, 1481202), (183, 1400262), (213, 1203042), (342, 749263), (346, 740601), (366, 700131), (426, 601521), (519, 493734), (549, 466754), (639, 401014), (1038, 246867), (1098, 233377), (1159, 221094), (1278, 200507), (1349, 189954), (1557, 164578), (2318, 110547), (2698, 94977), (3114, 82289), (3287, 77958), (3477, 73698), (4047, 63318), (4331, 59166), (6574, 38979), (6954, 36849), (8094, 31659), (8662, 29583), (9861, 25986), (10431, 24566), (10553, 24282), (12141, 21106), (12283, 20862), (12993, 19722)]