66781372

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{140297}}^1$

素因数の和:140325

約数の個数: 24

約数和(自身を含む): 141420384

約数和(自身を除く): 74639012

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 140297, 280594, 561188, 982079, 1964158, 2385049, 3928316, 4770098, 9540196, 16695343, 33390686, 66781372]

約数ペア:

[(1, 66781372), (2, 33390686), (4, 16695343), (7, 9540196), (14, 4770098), (17, 3928316), (28, 2385049), (34, 1964158), (68, 982079), (119, 561188), (238, 280594), (476, 140297)]