7980458836

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^2\times {\mathrm{373}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 16625849856

約数和(自身を除く): 8645391020

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 157, 217, 314, 373, 434, 628, 746, 868, 1099, 1492, 2198, 2611, 4396, 4867, 5222, 9734, 10444, 11563, 19468, 23126, 24649, 34069, 46252, 49298, 58561, 68138, 80941, 98596, 117122, 136276, 161882, 172543, 234244, 323764, 345086, 409927, 690172, 764119, 819854, 1528238, 1639708, 1815391, 3056476, 3630782, 5348833, 7261564, 9194077, 10697666, 12707737, 18388154, 21395332, 25415474, 36776308, 50830948, 64358539, 128717078, 257434156, 285016387, 570032774, 1140065548, 1995114709, 3990229418, 7980458836]

約数ペア:

[(1, 7980458836), (2, 3990229418), (4, 1995114709), (7, 1140065548), (14, 570032774), (28, 285016387), (31, 257434156), (62, 128717078), (124, 64358539), (157, 50830948), (217, 36776308), (314, 25415474), (373, 21395332), (434, 18388154), (628, 12707737), (746, 10697666), (868, 9194077), (1099, 7261564), (1492, 5348833), (2198, 3630782), (2611, 3056476), (4396, 1815391), (4867, 1639708), (5222, 1528238), (9734, 819854), (10444, 764119), (11563, 690172), (19468, 409927), (23126, 345086), (24649, 323764), (34069, 234244), (46252, 172543), (49298, 161882), (58561, 136276), (68138, 117122), (80941, 98596)]