1721215288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{126337}}^1$

素因数の和:126487

約数の個数: 32

約数和(自身を含む): 3502089360

約数和(自身を除く): 1780874072

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 131, 262, 524, 1048, 1703, 3406, 6812, 13624, 126337, 252674, 505348, 1010696, 1642381, 3284762, 6569524, 13139048, 16550147, 33100294, 66200588, 132401176, 215151911, 430303822, 860607644, 1721215288]

約数ペア:

[(1, 1721215288), (2, 860607644), (4, 430303822), (8, 215151911), (13, 132401176), (26, 66200588), (52, 33100294), (104, 16550147), (131, 13139048), (262, 6569524), (524, 3284762), (1048, 1642381), (1703, 1010696), (3406, 505348), (6812, 252674), (13624, 126337)]