16989644

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 35363328

約数和(自身を除く): 18373684

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 103, 137, 172, 206, 274, 301, 412, 548, 602, 721, 959, 1204, 1442, 1918, 2884, 3836, 4429, 5891, 8858, 11782, 14111, 17716, 23564, 28222, 31003, 41237, 56444, 62006, 82474, 98777, 124012, 164948, 197554, 395108, 606773, 1213546, 2427092, 4247411, 8494822, 16989644]

約数ペア:

[(1, 16989644), (2, 8494822), (4, 4247411), (7, 2427092), (14, 1213546), (28, 606773), (43, 395108), (86, 197554), (103, 164948), (137, 124012), (172, 98777), (206, 82474), (274, 62006), (301, 56444), (412, 41237), (548, 31003), (602, 28222), (721, 23564), (959, 17716), (1204, 14111), (1442, 11782), (1918, 8858), (2884, 5891), (3836, 4429)]