28169676

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 73592064

約数和(自身を除く): 45422388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 103, 107, 142, 206, 213, 214, 284, 309, 321, 412, 426, 428, 618, 639, 642, 852, 927, 963, 1236, 1278, 1284, 1854, 1926, 2556, 3708, 3852, 7313, 7597, 11021, 14626, 15194, 21939, 22042, 22791, 29252, 30388, 33063, 43878, 44084, 45582, 65817, 66126, 68373, 87756, 91164, 99189, 131634, 132252, 136746, 198378, 263268, 273492, 396756, 782491, 1564982, 2347473, 3129964, 4694946, 7042419, 9389892, 14084838, 28169676]

約数ペア:

[(1, 28169676), (2, 14084838), (3, 9389892), (4, 7042419), (6, 4694946), (9, 3129964), (12, 2347473), (18, 1564982), (36, 782491), (71, 396756), (103, 273492), (107, 263268), (142, 198378), (206, 136746), (213, 132252), (214, 131634), (284, 99189), (309, 91164), (321, 87756), (412, 68373), (426, 66126), (428, 65817), (618, 45582), (639, 44084), (642, 43878), (852, 33063), (927, 30388), (963, 29252), (1236, 22791), (1278, 22042), (1284, 21939), (1854, 15194), (1926, 14626), (2556, 11021), (3708, 7597), (3852, 7313)]