81508488

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 209563200

約数和(自身を除く): 128054712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 139, 159, 212, 278, 318, 417, 424, 461, 556, 636, 834, 922, 1112, 1272, 1383, 1668, 1844, 2766, 3336, 3688, 5532, 7367, 11064, 14734, 22101, 24433, 29468, 44202, 48866, 58936, 64079, 73299, 88404, 97732, 128158, 146598, 176808, 192237, 195464, 256316, 293196, 384474, 512632, 586392, 768948, 1537896, 3396187, 6792374, 10188561, 13584748, 20377122, 27169496, 40754244, 81508488]

約数ペア:

[(1, 81508488), (2, 40754244), (3, 27169496), (4, 20377122), (6, 13584748), (8, 10188561), (12, 6792374), (24, 3396187), (53, 1537896), (106, 768948), (139, 586392), (159, 512632), (212, 384474), (278, 293196), (318, 256316), (417, 195464), (424, 192237), (461, 176808), (556, 146598), (636, 128158), (834, 97732), (922, 88404), (1112, 73299), (1272, 64079), (1383, 58936), (1668, 48866), (1844, 44202), (2766, 29468), (3336, 24433), (3688, 22101), (5532, 14734), (7367, 11064)]