81385018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:943

約数の個数: 64

約数和(自身を含む): 160030080

約数和(自身を除く): 78645062

約数列:

[1, 2, 11, 13, 17, 19, 22, 26, 34, 38, 143, 187, 209, 221, 247, 286, 323, 374, 418, 442, 494, 646, 881, 1762, 2431, 2717, 3553, 4199, 4862, 5434, 7106, 8398, 9691, 11453, 14977, 16739, 19382, 22906, 29954, 33478, 46189, 92378, 125983, 164747, 184129, 194701, 217607, 251966, 284563, 329494, 368258, 389402, 435214, 569126, 2141711, 2393677, 3130193, 3699319, 4283422, 4787354, 6260386, 7398638, 40692509, 81385018]

約数ペア:

[(1, 81385018), (2, 40692509), (11, 7398638), (13, 6260386), (17, 4787354), (19, 4283422), (22, 3699319), (26, 3130193), (34, 2393677), (38, 2141711), (143, 569126), (187, 435214), (209, 389402), (221, 368258), (247, 329494), (286, 284563), (323, 251966), (374, 217607), (418, 194701), (442, 184129), (494, 164747), (646, 125983), (881, 92378), (1762, 46189), (2431, 33478), (2717, 29954), (3553, 22906), (4199, 19382), (4862, 16739), (5434, 14977), (7106, 11453), (8398, 9691)]