28531568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{599}}^1$

素因数の和:849

約数の個数: 40

約数和(自身を含む): 59892000

約数和(自身を除く): 31360432

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 229, 458, 599, 916, 1198, 1832, 2396, 2977, 3664, 4792, 5954, 7787, 9584, 11908, 15574, 23816, 31148, 47632, 62296, 124592, 137171, 274342, 548684, 1097368, 1783223, 2194736, 3566446, 7132892, 14265784, 28531568]

約数ペア:

[(1, 28531568), (2, 14265784), (4, 7132892), (8, 3566446), (13, 2194736), (16, 1783223), (26, 1097368), (52, 548684), (104, 274342), (208, 137171), (229, 124592), (458, 62296), (599, 47632), (916, 31148), (1198, 23816), (1832, 15574), (2396, 11908), (2977, 9584), (3664, 7787), (4792, 5954)]