81796356

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1667}}^1$

素因数の和:1753

約数の個数: 72

約数和(自身を含む): 218574720

約数和(自身を除く): 136778364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 47, 58, 87, 94, 116, 141, 174, 188, 261, 282, 348, 423, 522, 564, 846, 1044, 1363, 1667, 1692, 2726, 3334, 4089, 5001, 5452, 6668, 8178, 10002, 12267, 15003, 16356, 20004, 24534, 30006, 48343, 49068, 60012, 78349, 96686, 145029, 156698, 193372, 235047, 290058, 313396, 435087, 470094, 580116, 705141, 870174, 940188, 1410282, 1740348, 2272121, 2820564, 4544242, 6816363, 9088484, 13632726, 20449089, 27265452, 40898178, 81796356]

約数ペア:

[(1, 81796356), (2, 40898178), (3, 27265452), (4, 20449089), (6, 13632726), (9, 9088484), (12, 6816363), (18, 4544242), (29, 2820564), (36, 2272121), (47, 1740348), (58, 1410282), (87, 940188), (94, 870174), (116, 705141), (141, 580116), (174, 470094), (188, 435087), (261, 313396), (282, 290058), (348, 235047), (423, 193372), (522, 156698), (564, 145029), (846, 96686), (1044, 78349), (1363, 60012), (1667, 49068), (1692, 48343), (2726, 30006), (3334, 24534), (4089, 20004), (5001, 16356), (5452, 15003), (6668, 12267), (8178, 10002)]