28342008890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{268823}}^1$

素因数の和:269654

約数の個数: 32

約数和(自身を含む): 55007842176

約数和(自身を除く): 26665833286

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 811, 1622, 4055, 8110, 10543, 21086, 52715, 105430, 268823, 537646, 1344115, 2688230, 3494699, 6989398, 17473495, 34946990, 218015453, 436030906, 1090077265, 2180154530, 2834200889, 5668401778, 14171004445, 28342008890]

約数ペア:

[(1, 28342008890), (2, 14171004445), (5, 5668401778), (10, 2834200889), (13, 2180154530), (26, 1090077265), (65, 436030906), (130, 218015453), (811, 34946990), (1622, 17473495), (4055, 6989398), (8110, 3494699), (10543, 2688230), (21086, 1344115), (52715, 537646), (105430, 268823)]