4002008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 8002800

約数和(自身を除く): 4000792

約数列:

[1, 2, 4, 8, 19, 38, 76, 113, 152, 226, 233, 452, 466, 904, 932, 1864, 2147, 4294, 4427, 8588, 8854, 17176, 17708, 26329, 35416, 52658, 105316, 210632, 500251, 1000502, 2001004, 4002008]

約数ペア:

[(1, 4002008), (2, 2001004), (4, 1000502), (8, 500251), (19, 210632), (38, 105316), (76, 52658), (113, 35416), (152, 26329), (226, 17708), (233, 17176), (452, 8854), (466, 8588), (904, 4427), (932, 4294), (1864, 2147)]