398217599

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 470722560

約数和(自身を除く): 72504961

約数列:

[1, 13, 19, 31, 131, 247, 397, 403, 589, 1703, 2489, 4061, 5161, 7543, 7657, 12307, 32357, 52007, 52793, 77159, 98059, 159991, 233833, 676091, 988133, 1003067, 1612217, 3039829, 12845729, 20958821, 30632123, 398217599]

約数ペア:

[(1, 398217599), (13, 30632123), (19, 20958821), (31, 12845729), (131, 3039829), (247, 1612217), (397, 1003067), (403, 988133), (589, 676091), (1703, 233833), (2489, 159991), (4061, 98059), (5161, 77159), (7543, 52793), (7657, 52007), (12307, 32357)]