212125212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2887}}^1$

素因数の和:3067

約数の個数: 72

約数和(自身を含む): 581331296

約数和(自身を除く): 369206084

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 157, 234, 314, 468, 471, 628, 942, 1413, 1884, 2041, 2826, 2887, 4082, 5652, 5774, 6123, 8164, 8661, 11548, 12246, 17322, 18369, 24492, 25983, 34644, 36738, 37531, 51966, 73476, 75062, 103932, 112593, 150124, 225186, 337779, 450372, 453259, 675558, 906518, 1351116, 1359777, 1813036, 2719554, 4079331, 5439108, 5892367, 8158662, 11784734, 16317324, 17677101, 23569468, 35354202, 53031303, 70708404, 106062606, 212125212]

約数ペア:

[(1, 212125212), (2, 106062606), (3, 70708404), (4, 53031303), (6, 35354202), (9, 23569468), (12, 17677101), (13, 16317324), (18, 11784734), (26, 8158662), (36, 5892367), (39, 5439108), (52, 4079331), (78, 2719554), (117, 1813036), (156, 1359777), (157, 1351116), (234, 906518), (314, 675558), (468, 453259), (471, 450372), (628, 337779), (942, 225186), (1413, 150124), (1884, 112593), (2041, 103932), (2826, 75062), (2887, 73476), (4082, 51966), (5652, 37531), (5774, 36738), (6123, 34644), (8164, 25983), (8661, 24492), (11548, 18369), (12246, 17322)]