28369212

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 71536080

約数和(自身を除く): 43166868

約数列:

[1, 2, 3, 4, 6, 12, 23, 41, 46, 69, 82, 92, 109, 123, 138, 164, 218, 246, 276, 327, 436, 492, 529, 654, 943, 1058, 1308, 1587, 1886, 2116, 2507, 2829, 3174, 3772, 4469, 5014, 5658, 6348, 7521, 8938, 10028, 11316, 13407, 15042, 17876, 21689, 26814, 30084, 43378, 53628, 57661, 65067, 86756, 102787, 115322, 130134, 172983, 205574, 230644, 260268, 308361, 345966, 411148, 616722, 691932, 1233444, 2364101, 4728202, 7092303, 9456404, 14184606, 28369212]

約数ペア:

[(1, 28369212), (2, 14184606), (3, 9456404), (4, 7092303), (6, 4728202), (12, 2364101), (23, 1233444), (41, 691932), (46, 616722), (69, 411148), (82, 345966), (92, 308361), (109, 260268), (123, 230644), (138, 205574), (164, 172983), (218, 130134), (246, 115322), (276, 102787), (327, 86756), (436, 65067), (492, 57661), (529, 53628), (654, 43378), (943, 30084), (1058, 26814), (1308, 21689), (1587, 17876), (1886, 15042), (2116, 13407), (2507, 11316), (2829, 10028), (3174, 8938), (3772, 7521), (4469, 6348), (5014, 5658)]