129791792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20129}}^1$

素因数の和:20181

約数の個数: 40

約数和(自身を含む): 279565440

約数和(自身を除く): 149773648

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 20129, 40258, 80516, 161032, 261677, 322064, 523354, 623999, 1046708, 1247998, 2093416, 2495996, 4186832, 4991992, 8111987, 9983984, 16223974, 32447948, 64895896, 129791792]

約数ペア:

[(1, 129791792), (2, 64895896), (4, 32447948), (8, 16223974), (13, 9983984), (16, 8111987), (26, 4991992), (31, 4186832), (52, 2495996), (62, 2093416), (104, 1247998), (124, 1046708), (208, 623999), (248, 523354), (403, 322064), (496, 261677), (806, 161032), (1612, 80516), (3224, 40258), (6448, 20129)]