28991646

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 65302848

約数和(自身を除く): 36311202

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 101, 111, 202, 222, 303, 333, 431, 606, 666, 862, 909, 1293, 1818, 2586, 3737, 3879, 7474, 7758, 11211, 15947, 22422, 31894, 33633, 43531, 47841, 67266, 87062, 95682, 130593, 143523, 261186, 287046, 391779, 783558, 1610647, 3221294, 4831941, 9663882, 14495823, 28991646]

約数ペア:

[(1, 28991646), (2, 14495823), (3, 9663882), (6, 4831941), (9, 3221294), (18, 1610647), (37, 783558), (74, 391779), (101, 287046), (111, 261186), (202, 143523), (222, 130593), (303, 95682), (333, 87062), (431, 67266), (606, 47841), (666, 43531), (862, 33633), (909, 31894), (1293, 22422), (1818, 15947), (2586, 11211), (3737, 7758), (3879, 7474)]