72561328

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20899}}^1$

素因数の和:20945

約数の個数: 40

約数和(自身を含む): 165862400

約数和(自身を除く): 93301072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 20899, 41798, 83596, 146293, 167192, 292586, 334384, 585172, 647869, 1170344, 1295738, 2340688, 2591476, 4535083, 5182952, 9070166, 10365904, 18140332, 36280664, 72561328]

約数ペア:

[(1, 72561328), (2, 36280664), (4, 18140332), (7, 10365904), (8, 9070166), (14, 5182952), (16, 4535083), (28, 2591476), (31, 2340688), (56, 1295738), (62, 1170344), (112, 647869), (124, 585172), (217, 334384), (248, 292586), (434, 167192), (496, 146293), (868, 83596), (1736, 41798), (3472, 20899)]