128832008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{2213}}^1$

素因数の和:2621

約数の個数: 32

約数和(自身を含む): 255052800

約数和(自身を除く): 126220792

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 383, 766, 1532, 2213, 3064, 4426, 7277, 8852, 14554, 17704, 29108, 42047, 58216, 84094, 168188, 336376, 847579, 1695158, 3390316, 6780632, 16104001, 32208002, 64416004, 128832008]

約数ペア:

[(1, 128832008), (2, 64416004), (4, 32208002), (8, 16104001), (19, 6780632), (38, 3390316), (76, 1695158), (152, 847579), (383, 336376), (766, 168188), (1532, 84094), (2213, 58216), (3064, 42047), (4426, 29108), (7277, 17704), (8852, 14554)]