289748135

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{307}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 377879040

約数和(自身を除く): 88130905

約数列:

[1, 5, 23, 29, 115, 145, 283, 307, 667, 1415, 1535, 3335, 6509, 7061, 8207, 8903, 32545, 35305, 41035, 44515, 86881, 188761, 204769, 434405, 943805, 1023845, 1998263, 2519549, 9991315, 12597745, 57949627, 289748135]

約数ペア:

[(1, 289748135), (5, 57949627), (23, 12597745), (29, 9991315), (115, 2519549), (145, 1998263), (283, 1023845), (307, 943805), (667, 434405), (1415, 204769), (1535, 188761), (3335, 86881), (6509, 44515), (7061, 41035), (8207, 35305), (8903, 32545)]