28354998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 68428800

約数和(自身を除く): 40073802

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 149, 161, 197, 298, 322, 394, 447, 483, 591, 894, 966, 1043, 1182, 1379, 2086, 2758, 3129, 3427, 4137, 4531, 6258, 6854, 8274, 9062, 10281, 13593, 20562, 23989, 27186, 29353, 31717, 47978, 58706, 63434, 71967, 88059, 95151, 143934, 176118, 190302, 205471, 410942, 616413, 675119, 1232826, 1350238, 2025357, 4050714, 4725833, 9451666, 14177499, 28354998]

約数ペア:

[(1, 28354998), (2, 14177499), (3, 9451666), (6, 4725833), (7, 4050714), (14, 2025357), (21, 1350238), (23, 1232826), (42, 675119), (46, 616413), (69, 410942), (138, 205471), (149, 190302), (161, 176118), (197, 143934), (298, 95151), (322, 88059), (394, 71967), (447, 63434), (483, 58706), (591, 47978), (894, 31717), (966, 29353), (1043, 27186), (1182, 23989), (1379, 20562), (2086, 13593), (2758, 10281), (3129, 9062), (3427, 8274), (4137, 6854), (4531, 6258)]