72781648

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{691}}^1$

素因数の和:955

約数の個数: 40

約数和(自身を含む): 146731680

約数和(自身を除く): 73950032

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 227, 232, 454, 464, 691, 908, 1382, 1816, 2764, 3632, 5528, 6583, 11056, 13166, 20039, 26332, 40078, 52664, 80156, 105328, 156857, 160312, 313714, 320624, 627428, 1254856, 2509712, 4548853, 9097706, 18195412, 36390824, 72781648]

約数ペア:

[(1, 72781648), (2, 36390824), (4, 18195412), (8, 9097706), (16, 4548853), (29, 2509712), (58, 1254856), (116, 627428), (227, 320624), (232, 313714), (454, 160312), (464, 156857), (691, 105328), (908, 80156), (1382, 52664), (1816, 40078), (2764, 26332), (3632, 20039), (5528, 13166), (6583, 11056)]