277796272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{977}}^1\times {\mathrm{1367}}^1$

素因数の和:2365

約数の個数: 40

約数和(自身を含む): 580650336

約数和(自身を除く): 302854064

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 977, 1367, 1954, 2734, 3908, 5468, 7816, 10936, 12701, 15632, 17771, 21872, 25402, 35542, 50804, 71084, 101608, 142168, 203216, 284336, 1335559, 2671118, 5342236, 10684472, 17362267, 21368944, 34724534, 69449068, 138898136, 277796272]

約数ペア:

[(1, 277796272), (2, 138898136), (4, 69449068), (8, 34724534), (13, 21368944), (16, 17362267), (26, 10684472), (52, 5342236), (104, 2671118), (208, 1335559), (977, 284336), (1367, 203216), (1954, 142168), (2734, 101608), (3908, 71084), (5468, 50804), (7816, 35542), (10936, 25402), (12701, 21872), (15632, 17771)]