16866928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{977}}^1$

素因数の和:1081

約数の個数: 40

約数和(自身を含む): 35653968

約数和(自身を除く): 18787040

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 664, 977, 1079, 1328, 1954, 2158, 3908, 4316, 7816, 8632, 12701, 15632, 17264, 25402, 50804, 81091, 101608, 162182, 203216, 324364, 648728, 1054183, 1297456, 2108366, 4216732, 8433464, 16866928]

約数ペア:

[(1, 16866928), (2, 8433464), (4, 4216732), (8, 2108366), (13, 1297456), (16, 1054183), (26, 648728), (52, 324364), (83, 203216), (104, 162182), (166, 101608), (208, 81091), (332, 50804), (664, 25402), (977, 17264), (1079, 15632), (1328, 12701), (1954, 8632), (2158, 7816), (3908, 4316)]