17990828

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:314

約数の個数: 36

約数和(自身を含む): 34040160

約数和(自身を除く): 16049332

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 197, 289, 316, 394, 578, 788, 1156, 1343, 2686, 3349, 5372, 6698, 13396, 15563, 22831, 31126, 45662, 56933, 62252, 91324, 113866, 227732, 264571, 529142, 1058284, 4497707, 8995414, 17990828]

約数ペア:

[(1, 17990828), (2, 8995414), (4, 4497707), (17, 1058284), (34, 529142), (68, 264571), (79, 227732), (158, 113866), (197, 91324), (289, 62252), (316, 56933), (394, 45662), (578, 31126), (788, 22831), (1156, 15563), (1343, 13396), (2686, 6698), (3349, 5372)]