331366805

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 529638912

約数和(自身を除く): 198272107

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 197, 257, 385, 595, 935, 985, 1285, 1309, 1379, 1799, 2167, 2827, 3349, 4369, 6545, 6895, 8995, 10835, 14135, 15169, 16745, 19789, 21845, 23443, 30583, 36839, 48059, 50629, 75845, 98945, 117215, 152915, 184195, 240295, 253145, 257873, 336413, 354403, 556919, 860693, 1289365, 1682065, 1772015, 2784595, 3898433, 4303465, 6024851, 9467623, 19492165, 30124255, 47338115, 66273361, 331366805]

約数ペア:

[(1, 331366805), (5, 66273361), (7, 47338115), (11, 30124255), (17, 19492165), (35, 9467623), (55, 6024851), (77, 4303465), (85, 3898433), (119, 2784595), (187, 1772015), (197, 1682065), (257, 1289365), (385, 860693), (595, 556919), (935, 354403), (985, 336413), (1285, 257873), (1309, 253145), (1379, 240295), (1799, 184195), (2167, 152915), (2827, 117215), (3349, 98945), (4369, 75845), (6545, 50629), (6895, 48059), (8995, 36839), (10835, 30583), (14135, 23443), (15169, 21845), (16745, 19789)]