31028270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4871}}^1$

素因数の和:4905

約数の個数: 48

約数和(自身を含む): 69981408

約数和(自身を除く): 38953138

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 4871, 6370, 9742, 24355, 34097, 48710, 63323, 68194, 126646, 170485, 238679, 316615, 340970, 443261, 477358, 633230, 886522, 1193395, 2216305, 2386790, 3102827, 4432610, 6205654, 15514135, 31028270]

約数ペア:

[(1, 31028270), (2, 15514135), (5, 6205654), (7, 4432610), (10, 3102827), (13, 2386790), (14, 2216305), (26, 1193395), (35, 886522), (49, 633230), (65, 477358), (70, 443261), (91, 340970), (98, 316615), (130, 238679), (182, 170485), (245, 126646), (455, 68194), (490, 63323), (637, 48710), (910, 34097), (1274, 24355), (3185, 9742), (4871, 6370)]