216223217

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 265870080

約数和(自身を除く): 49646863

約数列:

[1, 7, 29, 41, 83, 203, 287, 313, 581, 1189, 2191, 2407, 3403, 8323, 9077, 12833, 16849, 23821, 25979, 63539, 89831, 98687, 181853, 372157, 690809, 753391, 1065139, 2605099, 5273737, 7455973, 30889031, 216223217]

約数ペア:

[(1, 216223217), (7, 30889031), (29, 7455973), (41, 5273737), (83, 2605099), (203, 1065139), (287, 753391), (313, 690809), (581, 372157), (1189, 181853), (2191, 98687), (2407, 89831), (3403, 63539), (8323, 25979), (9077, 23821), (12833, 16849)]