639876816

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{120097}}^1$

素因数の和:120148

約数の個数: 60

約数和(自身を含む): 1839180772

約数和(自身を除く): 1199303956

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 5328, 120097, 240194, 360291, 480388, 720582, 960776, 1080873, 1441164, 1921552, 2161746, 2882328, 4323492, 4443589, 5764656, 8646984, 8887178, 13330767, 17293968, 17774356, 26661534, 35548712, 39992301, 53323068, 71097424, 79984602, 106646136, 159969204, 213292272, 319938408, 639876816]

約数ペア:

[(1, 639876816), (2, 319938408), (3, 213292272), (4, 159969204), (6, 106646136), (8, 79984602), (9, 71097424), (12, 53323068), (16, 39992301), (18, 35548712), (24, 26661534), (36, 17774356), (37, 17293968), (48, 13330767), (72, 8887178), (74, 8646984), (111, 5764656), (144, 4443589), (148, 4323492), (222, 2882328), (296, 2161746), (333, 1921552), (444, 1441164), (592, 1080873), (666, 960776), (888, 720582), (1332, 480388), (1776, 360291), (2664, 240194), (5328, 120097)]