15690509821

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{4649}}^1$

素因数の和:4933

約数の個数: 32

約数和(自身を含む): 18761299200

約数和(自身を除く): 3070789379

約数列:

[1, 7, 37, 83, 157, 259, 581, 1099, 3071, 4649, 5809, 13031, 21497, 32543, 40663, 91217, 172013, 385867, 482147, 729893, 1204091, 2701069, 3375029, 5109251, 14277079, 27006041, 60581119, 99939553, 189042287, 424067833, 2241501403, 15690509821]

約数ペア:

[(1, 15690509821), (7, 2241501403), (37, 424067833), (83, 189042287), (157, 99939553), (259, 60581119), (581, 27006041), (1099, 14277079), (3071, 5109251), (4649, 3375029), (5809, 2701069), (13031, 1204091), (21497, 729893), (32543, 482147), (40663, 385867), (91217, 172013)]