15991528

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 36432000

約数和(自身を除く): 20440472

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 43, 56, 58, 86, 116, 172, 203, 229, 232, 301, 344, 406, 458, 602, 812, 916, 1204, 1247, 1603, 1624, 1832, 2408, 2494, 3206, 4988, 6412, 6641, 8729, 9847, 9976, 12824, 13282, 17458, 19694, 26564, 34916, 39388, 46487, 53128, 68929, 69832, 78776, 92974, 137858, 185948, 275716, 285563, 371896, 551432, 571126, 1142252, 1998941, 2284504, 3997882, 7995764, 15991528]

約数ペア:

[(1, 15991528), (2, 7995764), (4, 3997882), (7, 2284504), (8, 1998941), (14, 1142252), (28, 571126), (29, 551432), (43, 371896), (56, 285563), (58, 275716), (86, 185948), (116, 137858), (172, 92974), (203, 78776), (229, 69832), (232, 68929), (301, 53128), (344, 46487), (406, 39388), (458, 34916), (602, 26564), (812, 19694), (916, 17458), (1204, 13282), (1247, 12824), (1603, 9976), (1624, 9847), (1832, 8729), (2408, 6641), (2494, 6412), (3206, 4988)]