490261798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1\times {\mathrm{797}}^1$

素因数の和:1272

約数の個数: 32

約数和(自身を含む): 808405920

約数和(自身を除く): 318144122

約数列:

[1, 2, 13, 26, 59, 118, 401, 767, 797, 802, 1534, 1594, 5213, 10361, 10426, 20722, 23659, 47023, 47318, 94046, 307567, 319597, 611299, 615134, 639194, 1222598, 4154761, 8309522, 18856223, 37712446, 245130899, 490261798]

約数ペア:

[(1, 490261798), (2, 245130899), (13, 37712446), (26, 18856223), (59, 8309522), (118, 4154761), (401, 1222598), (767, 639194), (797, 615134), (802, 611299), (1534, 319597), (1594, 307567), (5213, 94046), (10361, 47318), (10426, 47023), (20722, 23659)]