278315979856

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{2213}}^1\times {\mathrm{23747}}^1$

素因数の和:26299

約数の個数: 40

約数和(自身を含む): 541133517024

約数和(自身を除く): 262817537168

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2213, 2648, 4426, 5296, 8852, 17704, 23747, 35408, 47494, 94988, 189976, 379952, 732503, 1465006, 2930012, 5860024, 7860257, 11720048, 15720514, 31441028, 52552111, 62882056, 105104222, 125764112, 210208444, 420416888, 840833776, 17394748741, 34789497482, 69578994964, 139157989928, 278315979856]

約数ペア:

[(1, 278315979856), (2, 139157989928), (4, 69578994964), (8, 34789497482), (16, 17394748741), (331, 840833776), (662, 420416888), (1324, 210208444), (2213, 125764112), (2648, 105104222), (4426, 62882056), (5296, 52552111), (8852, 31441028), (17704, 15720514), (23747, 11720048), (35408, 7860257), (47494, 5860024), (94988, 2930012), (189976, 1465006), (379952, 732503)]