123789948

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1889}}^1$

素因数の和:2066

約数の個数: 48

約数和(自身を含む): 298045440

約数和(自身を除く): 174255492

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 127, 129, 172, 254, 258, 381, 508, 516, 762, 1524, 1889, 3778, 5461, 5667, 7556, 10922, 11334, 16383, 21844, 22668, 32766, 65532, 81227, 162454, 239903, 243681, 324908, 479806, 487362, 719709, 959612, 974724, 1439418, 2878836, 10315829, 20631658, 30947487, 41263316, 61894974, 123789948]

約数ペア:

[(1, 123789948), (2, 61894974), (3, 41263316), (4, 30947487), (6, 20631658), (12, 10315829), (43, 2878836), (86, 1439418), (127, 974724), (129, 959612), (172, 719709), (254, 487362), (258, 479806), (381, 324908), (508, 243681), (516, 239903), (762, 162454), (1524, 81227), (1889, 65532), (3778, 32766), (5461, 22668), (5667, 21844), (7556, 16383), (10922, 11334)]