81461926

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 161336448

約数和(自身を除く): 79874522

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 113, 119, 182, 221, 226, 233, 238, 442, 466, 791, 1469, 1547, 1582, 1631, 1921, 2938, 3029, 3094, 3262, 3842, 3961, 6058, 7922, 10283, 13447, 20566, 21203, 24973, 26329, 26894, 27727, 42406, 49946, 51493, 52658, 55454, 102986, 174811, 184303, 342277, 349622, 360451, 368606, 447593, 684554, 720902, 895186, 2395939, 3133151, 4791878, 5818709, 6266302, 11637418, 40730963, 81461926]

約数ペア:

[(1, 81461926), (2, 40730963), (7, 11637418), (13, 6266302), (14, 5818709), (17, 4791878), (26, 3133151), (34, 2395939), (91, 895186), (113, 720902), (119, 684554), (182, 447593), (221, 368606), (226, 360451), (233, 349622), (238, 342277), (442, 184303), (466, 174811), (791, 102986), (1469, 55454), (1547, 52658), (1582, 51493), (1631, 49946), (1921, 42406), (2938, 27727), (3029, 26894), (3094, 26329), (3262, 24973), (3842, 21203), (3961, 20566), (6058, 13447), (7922, 10283)]