278340492

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{21617}}^1$

素因数の和:21690

約数の個数: 48

約数和(自身を含む): 690046560

約数和(自身を除く): 411706068

約数列:

[1, 2, 3, 4, 6, 12, 29, 37, 58, 74, 87, 111, 116, 148, 174, 222, 348, 444, 1073, 2146, 3219, 4292, 6438, 12876, 21617, 43234, 64851, 86468, 129702, 259404, 626893, 799829, 1253786, 1599658, 1880679, 2399487, 2507572, 3199316, 3761358, 4798974, 7522716, 9597948, 23195041, 46390082, 69585123, 92780164, 139170246, 278340492]

約数ペア:

[(1, 278340492), (2, 139170246), (3, 92780164), (4, 69585123), (6, 46390082), (12, 23195041), (29, 9597948), (37, 7522716), (58, 4798974), (74, 3761358), (87, 3199316), (111, 2507572), (116, 2399487), (148, 1880679), (174, 1599658), (222, 1253786), (348, 799829), (444, 626893), (1073, 259404), (2146, 129702), (3219, 86468), (4292, 64851), (6438, 43234), (12876, 21617)]