18117001721

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{733}}^1$

素因数の和:1031

約数の個数: 64

約数和(自身を含む): 23873203200

約数和(自身を除く): 5756201479

約数列:

[1, 7, 13, 23, 49, 91, 161, 241, 299, 343, 637, 733, 1127, 1687, 2093, 3133, 4459, 5131, 5543, 7889, 9529, 11809, 14651, 16859, 21931, 35917, 38801, 66703, 72059, 82663, 102557, 118013, 153517, 176653, 219167, 251419, 271607, 466921, 504413, 826091, 1074619, 1236571, 1534169, 1901249, 2296489, 3268447, 3530891, 4063019, 5782637, 8655997, 10739183, 16075423, 24716237, 28441133, 52819247, 60591979, 75174281, 112527961, 199087931, 369734729, 787695727, 1393615517, 2588143103, 18117001721]

約数ペア:

[(1, 18117001721), (7, 2588143103), (13, 1393615517), (23, 787695727), (49, 369734729), (91, 199087931), (161, 112527961), (241, 75174281), (299, 60591979), (343, 52819247), (637, 28441133), (733, 24716237), (1127, 16075423), (1687, 10739183), (2093, 8655997), (3133, 5782637), (4459, 4063019), (5131, 3530891), (5543, 3268447), (7889, 2296489), (9529, 1901249), (11809, 1534169), (14651, 1236571), (16859, 1074619), (21931, 826091), (35917, 504413), (38801, 466921), (66703, 271607), (72059, 251419), (82663, 219167), (102557, 176653), (118013, 153517)]