9921630145

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{16091}}^1$

素因数の和:16405

約数の個数: 32

約数和(自身を含む): 13841694720

約数和(自身を除く): 3920064575

約数列:

[1, 5, 7, 35, 79, 223, 395, 553, 1115, 1561, 2765, 7805, 16091, 17617, 80455, 88085, 112637, 123319, 563185, 616595, 1271189, 3588293, 6355945, 8898323, 17941465, 25118051, 44491615, 125590255, 283475147, 1417375735, 1984326029, 9921630145]

約数ペア:

[(1, 9921630145), (5, 1984326029), (7, 1417375735), (35, 283475147), (79, 125590255), (223, 44491615), (395, 25118051), (553, 17941465), (1115, 8898323), (1561, 6355945), (2765, 3588293), (7805, 1271189), (16091, 616595), (17617, 563185), (80455, 123319), (88085, 112637)]