31474690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1229}}^1$

素因数の和:1446

約数の個数: 32

約数和(自身を含む): 61372080

約数和(自身を除く): 29897390

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 985, 1229, 1970, 2458, 2561, 5122, 6145, 12290, 12805, 15977, 25610, 31954, 79885, 159770, 242113, 484226, 1210565, 2421130, 3147469, 6294938, 15737345, 31474690]

約数ペア:

[(1, 31474690), (2, 15737345), (5, 6294938), (10, 3147469), (13, 2421130), (26, 1210565), (65, 484226), (130, 242113), (197, 159770), (394, 79885), (985, 31954), (1229, 25610), (1970, 15977), (2458, 12805), (2561, 12290), (5122, 6145)]