156420008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{3109}}^1$

素因数の和:3465

約数の個数: 32

約数和(自身を含む): 309756000

約数和(自身を除く): 153335992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 331, 662, 1324, 2648, 3109, 6218, 6289, 12436, 12578, 24872, 25156, 50312, 59071, 118142, 236284, 472568, 1029079, 2058158, 4116316, 8232632, 19552501, 39105002, 78210004, 156420008]

約数ペア:

[(1, 156420008), (2, 78210004), (4, 39105002), (8, 19552501), (19, 8232632), (38, 4116316), (76, 2058158), (152, 1029079), (331, 472568), (662, 236284), (1324, 118142), (2648, 59071), (3109, 50312), (6218, 25156), (6289, 24872), (12436, 12578)]