81889346

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 159252480

約数和(自身を除く): 77363134

約数列:

[1, 2, 7, 11, 14, 22, 53, 77, 79, 106, 127, 154, 158, 254, 371, 553, 583, 742, 869, 889, 1106, 1166, 1397, 1738, 1778, 2794, 4081, 4187, 6083, 6731, 8162, 8374, 9779, 10033, 12166, 13462, 19558, 20066, 29309, 46057, 47117, 58618, 70231, 74041, 92114, 94234, 110363, 140462, 148082, 220726, 322399, 518287, 531749, 644798, 772541, 1036574, 1063498, 1545082, 3722243, 5849239, 7444486, 11698478, 40944673, 81889346]

約数ペア:

[(1, 81889346), (2, 40944673), (7, 11698478), (11, 7444486), (14, 5849239), (22, 3722243), (53, 1545082), (77, 1063498), (79, 1036574), (106, 772541), (127, 644798), (154, 531749), (158, 518287), (254, 322399), (371, 220726), (553, 148082), (583, 140462), (742, 110363), (869, 94234), (889, 92114), (1106, 74041), (1166, 70231), (1397, 58618), (1738, 47117), (1778, 46057), (2794, 29309), (4081, 20066), (4187, 19558), (6083, 13462), (6731, 12166), (8162, 10033), (8374, 9779)]