81107390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4691}}^1$

素因数の和:4737

約数の個数: 64

約数和(自身を含む): 189181440

約数和(自身を除く): 108074050

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1235, 1330, 1729, 2470, 3458, 4691, 8645, 9382, 17290, 23455, 32837, 46910, 60983, 65674, 89129, 121966, 164185, 178258, 304915, 328370, 426881, 445645, 609830, 623903, 853762, 891290, 1158677, 1247806, 2134405, 2317354, 3119515, 4268810, 5793385, 6239030, 8110739, 11586770, 16221478, 40553695, 81107390]

約数ペア:

[(1, 81107390), (2, 40553695), (5, 16221478), (7, 11586770), (10, 8110739), (13, 6239030), (14, 5793385), (19, 4268810), (26, 3119515), (35, 2317354), (38, 2134405), (65, 1247806), (70, 1158677), (91, 891290), (95, 853762), (130, 623903), (133, 609830), (182, 445645), (190, 426881), (247, 328370), (266, 304915), (455, 178258), (494, 164185), (665, 121966), (910, 89129), (1235, 65674), (1330, 60983), (1729, 46910), (2470, 32837), (3458, 23455), (4691, 17290), (8645, 9382)]