123887984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{3889}}^1$

素因数の和:4089

約数の個数: 40

約数和(自身を含む): 263368560

約数和(自身を除く): 139480576

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 181, 362, 724, 1448, 1991, 2896, 3889, 3982, 7778, 7964, 15556, 15928, 31112, 31856, 42779, 62224, 85558, 171116, 342232, 684464, 703909, 1407818, 2815636, 5631272, 7742999, 11262544, 15485998, 30971996, 61943992, 123887984]

約数ペア:

[(1, 123887984), (2, 61943992), (4, 30971996), (8, 15485998), (11, 11262544), (16, 7742999), (22, 5631272), (44, 2815636), (88, 1407818), (176, 703909), (181, 684464), (362, 342232), (724, 171116), (1448, 85558), (1991, 62224), (2896, 42779), (3889, 31856), (3982, 31112), (7778, 15928), (7964, 15556)]