1285681321

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 1452487680

約数和(自身を除く): 166806359

約数列:

[1, 17, 31, 41, 157, 379, 527, 697, 1271, 2669, 4867, 6437, 6443, 11749, 15539, 21607, 59503, 82739, 109429, 199547, 199733, 264163, 481709, 1011551, 1844593, 2439623, 3392299, 8189053, 31358081, 41473591, 75628313, 1285681321]

約数ペア:

[(1, 1285681321), (17, 75628313), (31, 41473591), (41, 31358081), (157, 8189053), (379, 3392299), (527, 2439623), (697, 1844593), (1271, 1011551), (2669, 481709), (4867, 264163), (6437, 199733), (6443, 199547), (11749, 109429), (15539, 82739), (21607, 59503)]