28220986

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 18348614

約数列:

[1, 2, 17, 34, 43, 86, 97, 194, 199, 398, 731, 1462, 1649, 3298, 3383, 4171, 6766, 8342, 8557, 17114, 19303, 38606, 70907, 141814, 145469, 290938, 328151, 656302, 830029, 1660058, 14110493, 28220986]

約数ペア:

[(1, 28220986), (2, 14110493), (17, 1660058), (34, 830029), (43, 656302), (86, 328151), (97, 290938), (194, 145469), (199, 141814), (398, 70907), (731, 38606), (1462, 19303), (1649, 17114), (3298, 8557), (3383, 8342), (4171, 6766)]