156716455

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 234026496

約数和(自身を除く): 77310041

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 191, 197, 245, 595, 833, 955, 985, 1337, 1379, 3247, 3349, 4165, 6685, 6895, 9359, 9653, 16235, 16745, 22729, 23443, 37627, 46795, 48265, 113645, 117215, 159103, 164101, 188135, 263389, 639659, 795515, 820505, 1316945, 1843723, 3198295, 4477613, 9218615, 22388065, 31343291, 156716455]

約数ペア:

[(1, 156716455), (5, 31343291), (7, 22388065), (17, 9218615), (35, 4477613), (49, 3198295), (85, 1843723), (119, 1316945), (191, 820505), (197, 795515), (245, 639659), (595, 263389), (833, 188135), (955, 164101), (985, 159103), (1337, 117215), (1379, 113645), (3247, 48265), (3349, 46795), (4165, 37627), (6685, 23443), (6895, 22729), (9359, 16745), (9653, 16235)]