396814145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 622702080

約数和(自身を除く): 225887935

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 197, 233, 247, 455, 665, 985, 1165, 1235, 1379, 1631, 1729, 2561, 3029, 3743, 4427, 6895, 8155, 8645, 12805, 15145, 17927, 18715, 21203, 22135, 26201, 30989, 45901, 48659, 57551, 89635, 106015, 131005, 154945, 229505, 243295, 287755, 321307, 340613, 402857, 596713, 872119, 1606535, 1703065, 2014285, 2983565, 4176991, 4360595, 6104833, 11337547, 20884955, 30524165, 56687735, 79362829, 396814145]

約数ペア:

[(1, 396814145), (5, 79362829), (7, 56687735), (13, 30524165), (19, 20884955), (35, 11337547), (65, 6104833), (91, 4360595), (95, 4176991), (133, 2983565), (197, 2014285), (233, 1703065), (247, 1606535), (455, 872119), (665, 596713), (985, 402857), (1165, 340613), (1235, 321307), (1379, 287755), (1631, 243295), (1729, 229505), (2561, 154945), (3029, 131005), (3743, 106015), (4427, 89635), (6895, 57551), (8155, 48659), (8645, 45901), (12805, 30989), (15145, 26201), (17927, 22135), (18715, 21203)]