2009128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 4420800

約数和(自身を除く): 2411672

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 79, 88, 136, 158, 187, 289, 316, 374, 578, 632, 748, 869, 1156, 1343, 1496, 1738, 2312, 2686, 3179, 3476, 5372, 6358, 6952, 10744, 12716, 14773, 22831, 25432, 29546, 45662, 59092, 91324, 118184, 182648, 251141, 502282, 1004564, 2009128]

約数ペア:

[(1, 2009128), (2, 1004564), (4, 502282), (8, 251141), (11, 182648), (17, 118184), (22, 91324), (34, 59092), (44, 45662), (68, 29546), (79, 25432), (88, 22831), (136, 14773), (158, 12716), (187, 10744), (289, 6952), (316, 6358), (374, 5372), (578, 3476), (632, 3179), (748, 2686), (869, 2312), (1156, 1738), (1343, 1496)]