68666390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1065

約数の個数: 48

約数和(自身を含む): 137241216

約数和(自身を除く): 68574826

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 169, 205, 338, 410, 533, 845, 991, 1066, 1690, 1982, 2665, 4955, 5330, 6929, 9910, 12883, 13858, 25766, 34645, 40631, 64415, 69290, 81262, 128830, 167479, 203155, 334958, 406310, 528203, 837395, 1056406, 1674790, 2641015, 5282030, 6866639, 13733278, 34333195, 68666390]

約数ペア:

[(1, 68666390), (2, 34333195), (5, 13733278), (10, 6866639), (13, 5282030), (26, 2641015), (41, 1674790), (65, 1056406), (82, 837395), (130, 528203), (169, 406310), (205, 334958), (338, 203155), (410, 167479), (533, 128830), (845, 81262), (991, 69290), (1066, 64415), (1690, 40631), (1982, 34645), (2665, 25766), (4955, 13858), (5330, 12883), (6929, 9910)]