31365404

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 65049600

約数和(自身を除く): 33684196

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 109, 172, 218, 239, 301, 436, 478, 602, 763, 956, 1204, 1526, 1673, 3052, 3346, 4687, 6692, 9374, 10277, 18748, 20554, 26051, 32809, 41108, 52102, 65618, 71939, 104204, 131236, 143878, 182357, 287756, 364714, 729428, 1120193, 2240386, 4480772, 7841351, 15682702, 31365404]

約数ペア:

[(1, 31365404), (2, 15682702), (4, 7841351), (7, 4480772), (14, 2240386), (28, 1120193), (43, 729428), (86, 364714), (109, 287756), (172, 182357), (218, 143878), (239, 131236), (301, 104204), (436, 71939), (478, 65618), (602, 52102), (763, 41108), (956, 32809), (1204, 26051), (1526, 20554), (1673, 18748), (3052, 10277), (3346, 9374), (4687, 6692)]