219320465

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{947}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 324898560

約数和(自身を除く): 105578095

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 509, 947, 2545, 3563, 4735, 6617, 6629, 12311, 17815, 33085, 33145, 46319, 61555, 86177, 231595, 430885, 482023, 2410115, 3374161, 6266299, 16870805, 31331495, 43864093, 219320465]

約数ペア:

[(1, 219320465), (5, 43864093), (7, 31331495), (13, 16870805), (35, 6266299), (65, 3374161), (91, 2410115), (455, 482023), (509, 430885), (947, 231595), (2545, 86177), (3563, 61555), (4735, 46319), (6617, 33145), (6629, 33085), (12311, 17815)]