248618512

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1997}}^1$

素因数の和:2287

約数の個数: 40

約数和(自身を含む): 499468032

約数和(自身を除く): 250849520

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 251, 496, 502, 1004, 1997, 2008, 3994, 4016, 7781, 7988, 15562, 15976, 31124, 31952, 61907, 62248, 123814, 124496, 247628, 495256, 501247, 990512, 1002494, 2004988, 4009976, 8019952, 15538657, 31077314, 62154628, 124309256, 248618512]

約数ペア:

[(1, 248618512), (2, 124309256), (4, 62154628), (8, 31077314), (16, 15538657), (31, 8019952), (62, 4009976), (124, 2004988), (248, 1002494), (251, 990512), (496, 501247), (502, 495256), (1004, 247628), (1997, 124496), (2008, 123814), (3994, 62248), (4016, 61907), (7781, 31952), (7988, 31124), (15562, 15976)]