321310288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{49831}}^1$

素因数の和:49883

約数の個数: 40

約数和(自身を含む): 692066816

約数和(自身を除く): 370756528

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 49831, 99662, 199324, 398648, 647803, 797296, 1295606, 1544761, 2591212, 3089522, 5182424, 6179044, 10364848, 12358088, 20081893, 24716176, 40163786, 80327572, 160655144, 321310288]

約数ペア:

[(1, 321310288), (2, 160655144), (4, 80327572), (8, 40163786), (13, 24716176), (16, 20081893), (26, 12358088), (31, 10364848), (52, 6179044), (62, 5182424), (104, 3089522), (124, 2591212), (208, 1544761), (248, 1295606), (403, 797296), (496, 647803), (806, 398648), (1612, 199324), (3224, 99662), (6448, 49831)]