1288893665

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{361541}}^1$

素因数の和:361600

約数の個数: 16

約数和(自身を含む): 1665985536

約数和(自身を除く): 377091871

約数列:

[1, 5, 23, 31, 115, 155, 713, 3565, 361541, 1807705, 8315443, 11207771, 41577215, 56038855, 257778733, 1288893665]

約数ペア:

[(1, 1288893665), (5, 257778733), (23, 56038855), (31, 41577215), (115, 11207771), (155, 8315443), (713, 1807705), (3565, 361541)]