215319916

素因数分解:

$2^2\times 7^2\times {\mathrm{631}}^1\times {\mathrm{1741}}^1$

素因数の和:2390

約数の個数: 36

約数和(自身を含む): 439276656

約数和(自身を除く): 223956740

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 631, 1262, 1741, 2524, 3482, 4417, 6964, 8834, 12187, 17668, 24374, 30919, 48748, 61838, 85309, 123676, 170618, 341236, 1098571, 2197142, 4394284, 7689997, 15379994, 30759988, 53829979, 107659958, 215319916]

約数ペア:

[(1, 215319916), (2, 107659958), (4, 53829979), (7, 30759988), (14, 15379994), (28, 7689997), (49, 4394284), (98, 2197142), (196, 1098571), (631, 341236), (1262, 170618), (1741, 123676), (2524, 85309), (3482, 61838), (4417, 48748), (6964, 30919), (8834, 24374), (12187, 17668)]