209678868

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{30817}}^1$

素因数の和:30843

約数の個数: 72

約数和(自身を含む): 628194112

約数和(自身を除く): 418515244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3402, 6804, 30817, 61634, 92451, 123268, 184902, 215719, 277353, 369804, 431438, 554706, 647157, 832059, 862876, 1109412, 1294314, 1664118, 1941471, 2496177, 2588628, 3328236, 3882942, 4992354, 5824413, 7488531, 7765884, 9984708, 11648826, 14977062, 17473239, 23297652, 29954124, 34946478, 52419717, 69892956, 104839434, 209678868]

約数ペア:

[(1, 209678868), (2, 104839434), (3, 69892956), (4, 52419717), (6, 34946478), (7, 29954124), (9, 23297652), (12, 17473239), (14, 14977062), (18, 11648826), (21, 9984708), (27, 7765884), (28, 7488531), (36, 5824413), (42, 4992354), (54, 3882942), (63, 3328236), (81, 2588628), (84, 2496177), (108, 1941471), (126, 1664118), (162, 1294314), (189, 1109412), (243, 862876), (252, 832059), (324, 647157), (378, 554706), (486, 431438), (567, 369804), (756, 277353), (972, 215719), (1134, 184902), (1701, 123268), (2268, 92451), (3402, 61634), (6804, 30817)]