128519082016

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{977}}^1\times {\mathrm{316213}}^1$

素因数の和:317213

約数の個数: 48

約数和(自身を含む): 272764931544

約数和(自身を除く): 144245849528

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 977, 1954, 3908, 7816, 12701, 15632, 25402, 31264, 50804, 101608, 203216, 316213, 406432, 632426, 1264852, 2529704, 4110769, 5059408, 8221538, 10118816, 16443076, 32886152, 65772304, 131544608, 308940101, 617880202, 1235760404, 2471520808, 4016221313, 4943041616, 8032442626, 9886083232, 16064885252, 32129770504, 64259541008, 128519082016]

約数ペア:

[(1, 128519082016), (2, 64259541008), (4, 32129770504), (8, 16064885252), (13, 9886083232), (16, 8032442626), (26, 4943041616), (32, 4016221313), (52, 2471520808), (104, 1235760404), (208, 617880202), (416, 308940101), (977, 131544608), (1954, 65772304), (3908, 32886152), (7816, 16443076), (12701, 10118816), (15632, 8221538), (25402, 5059408), (31264, 4110769), (50804, 2529704), (101608, 1264852), (203216, 632426), (316213, 406432)]