981240442

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{3821}}^1$

素因数の和:3943

約数の個数: 64

約数和(自身を含む): 1941698304

約数和(自身を除く): 960457862

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 83, 91, 119, 166, 182, 221, 238, 442, 581, 1079, 1162, 1411, 1547, 2158, 2822, 3094, 3821, 7553, 7642, 9877, 15106, 18343, 19754, 26747, 36686, 49673, 53494, 64957, 99346, 128401, 129914, 256802, 317143, 347711, 454699, 634286, 695422, 844441, 909398, 1688882, 2220001, 4122859, 4440002, 5391431, 5911087, 8245718, 10782862, 11822174, 28860013, 37740017, 57720026, 70088603, 75480034, 140177206, 490620221, 981240442]

約数ペア:

[(1, 981240442), (2, 490620221), (7, 140177206), (13, 75480034), (14, 70088603), (17, 57720026), (26, 37740017), (34, 28860013), (83, 11822174), (91, 10782862), (119, 8245718), (166, 5911087), (182, 5391431), (221, 4440002), (238, 4122859), (442, 2220001), (581, 1688882), (1079, 909398), (1162, 844441), (1411, 695422), (1547, 634286), (2158, 454699), (2822, 347711), (3094, 317143), (3821, 256802), (7553, 129914), (7642, 128401), (9877, 99346), (15106, 64957), (18343, 53494), (19754, 49673), (26747, 36686)]