819691390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{59441}}^1$

素因数の和:59652

約数の個数: 32

約数和(自身を含む): 1694810304

約数和(自身を除く): 875118914

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1970, 2758, 6895, 13790, 59441, 118882, 297205, 416087, 594410, 832174, 2080435, 4160870, 11709877, 23419754, 58549385, 81969139, 117098770, 163938278, 409845695, 819691390]

約数ペア:

[(1, 819691390), (2, 409845695), (5, 163938278), (7, 117098770), (10, 81969139), (14, 58549385), (35, 23419754), (70, 11709877), (197, 4160870), (394, 2080435), (985, 832174), (1379, 594410), (1970, 416087), (2758, 297205), (6895, 118882), (13790, 59441)]