991387298

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{5209}}^1$

素因数の和:5474

約数の個数: 32

約数和(自身を含む): 1670034240

約数和(自身を除く): 678646942

約数列:

[1, 2, 11, 22, 41, 82, 211, 422, 451, 902, 2321, 4642, 5209, 8651, 10418, 17302, 57299, 95161, 114598, 190322, 213569, 427138, 1099099, 2198198, 2349259, 4698518, 12090089, 24180178, 45063059, 90126118, 495693649, 991387298]

約数ペア:

[(1, 991387298), (2, 495693649), (11, 90126118), (22, 45063059), (41, 24180178), (82, 12090089), (211, 4698518), (422, 2349259), (451, 2198198), (902, 1099099), (2321, 427138), (4642, 213569), (5209, 190322), (8651, 114598), (10418, 95161), (17302, 57299)]