309808

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{67}}^1$

素因数の和:109

約数の個数: 30

約数和(自身を含む): 647156

約数和(自身を除く): 337348

約数列:

[1, 2, 4, 8, 16, 17, 34, 67, 68, 134, 136, 268, 272, 289, 536, 578, 1072, 1139, 1156, 2278, 2312, 4556, 4624, 9112, 18224, 19363, 38726, 77452, 154904, 309808]

約数ペア:

[(1, 309808), (2, 154904), (4, 77452), (8, 38726), (16, 19363), (17, 18224), (34, 9112), (67, 4624), (68, 4556), (134, 2312), (136, 2278), (268, 1156), (272, 1139), (289, 1072), (536, 578)]