278314465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{929}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 393724800

約数和(自身を除く): 115410335

約数列:

[1, 5, 11, 13, 55, 65, 143, 419, 715, 929, 2095, 4609, 4645, 5447, 10219, 12077, 23045, 27235, 51095, 59917, 60385, 132847, 299585, 389251, 664235, 1946255, 4281761, 5060263, 21408805, 25301315, 55662893, 278314465]

約数ペア:

[(1, 278314465), (5, 55662893), (11, 25301315), (13, 21408805), (55, 5060263), (65, 4281761), (143, 1946255), (419, 664235), (715, 389251), (929, 299585), (2095, 132847), (4609, 60385), (4645, 59917), (5447, 51095), (10219, 27235), (12077, 23045)]