2155206591505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1789}}^1\times {\mathrm{277261}}^1$

素因数の和:279145

約数の個数: 32

約数和(自身を含む): 2858682124800

約数和(自身を除く): 703475533295

約数列:

[1, 5, 11, 55, 79, 395, 869, 1789, 4345, 8945, 19679, 98395, 141331, 277261, 706655, 1386305, 1554641, 3049871, 7773205, 15249355, 21903619, 109518095, 240939809, 496019929, 1204699045, 2480099645, 5456219219, 27281096095, 39185574391, 195927871955, 431041318301, 2155206591505]

約数ペア:

[(1, 2155206591505), (5, 431041318301), (11, 195927871955), (55, 39185574391), (79, 27281096095), (395, 5456219219), (869, 2480099645), (1789, 1204699045), (4345, 496019929), (8945, 240939809), (19679, 109518095), (98395, 21903619), (141331, 15249355), (277261, 7773205), (706655, 3049871), (1386305, 1554641)]