129163972

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{40823}}^1$

素因数の和:40947

約数の個数: 24

約数和(自身を含む): 260620416

約数和(自身を除く): 131456444

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 40823, 81646, 163292, 285761, 571522, 1143044, 4612999, 9225998, 18451996, 32290993, 64581986, 129163972]

約数ペア:

[(1, 129163972), (2, 64581986), (4, 32290993), (7, 18451996), (14, 9225998), (28, 4612999), (113, 1143044), (226, 571522), (452, 285761), (791, 163292), (1582, 81646), (3164, 40823)]