1289365

素因数分解:

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

素因数の和:237

約数の個数: 32

約数和(自身を含む): 2052864

約数和(自身を除く): 763499

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 197, 385, 595, 935, 985, 1309, 1379, 2167, 3349, 6545, 6895, 10835, 15169, 16745, 23443, 36839, 75845, 117215, 184195, 257873, 1289365]

約数ペア:

[(1, 1289365), (5, 257873), (7, 184195), (11, 117215), (17, 75845), (35, 36839), (55, 23443), (77, 16745), (85, 15169), (119, 10835), (187, 6895), (197, 6545), (385, 3349), (595, 2167), (935, 1379), (985, 1309)]