72161005

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5273}}^1$

素因数の和:5325

約数の個数: 32

約数和(自身を含む): 109361664

約数和(自身を除く): 37200659

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1955, 2737, 5273, 13685, 26365, 36911, 89641, 121279, 184555, 448205, 606395, 627487, 848953, 2061743, 3137435, 4244765, 10308715, 14432201, 72161005]

約数ペア:

[(1, 72161005), (5, 14432201), (7, 10308715), (17, 4244765), (23, 3137435), (35, 2061743), (85, 848953), (115, 627487), (119, 606395), (161, 448205), (391, 184555), (595, 121279), (805, 89641), (1955, 36911), (2737, 26365), (5273, 13685)]