7978495

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 11534976

約数和(自身を除く): 3556481

約数列:

[1, 5, 7, 35, 37, 61, 101, 185, 259, 305, 427, 505, 707, 1295, 2135, 2257, 3535, 3737, 6161, 11285, 15799, 18685, 26159, 30805, 43127, 78995, 130795, 215635, 227957, 1139785, 1595699, 7978495]

約数ペア:

[(1, 7978495), (5, 1595699), (7, 1139785), (35, 227957), (37, 215635), (61, 130795), (101, 78995), (185, 43127), (259, 30805), (305, 26159), (427, 18685), (505, 15799), (707, 11285), (1295, 6161), (2135, 3737), (2257, 3535)]