31377584

素因数分解:

$2^4\times 7^1\times {\mathrm{281}}^1\times {\mathrm{997}}^1$

素因数の和:1293

約数の個数: 40

約数和(自身を含む): 69796128

約数和(自身を除く): 38418544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 281, 562, 997, 1124, 1967, 1994, 2248, 3934, 3988, 4496, 6979, 7868, 7976, 13958, 15736, 15952, 27916, 31472, 55832, 111664, 280157, 560314, 1120628, 1961099, 2241256, 3922198, 4482512, 7844396, 15688792, 31377584]

約数ペア:

[(1, 31377584), (2, 15688792), (4, 7844396), (7, 4482512), (8, 3922198), (14, 2241256), (16, 1961099), (28, 1120628), (56, 560314), (112, 280157), (281, 111664), (562, 55832), (997, 31472), (1124, 27916), (1967, 15952), (1994, 15736), (2248, 13958), (3934, 7976), (3988, 7868), (4496, 6979)]