221446288

素因数分解:

$2^4\times 7^3\times {\mathrm{40351}}^1$

素因数の和:40380

約数の個数: 40

約数和(自身を含む): 500364800

約数和(自身を除く): 278918512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 5488, 40351, 80702, 161404, 282457, 322808, 564914, 645616, 1129828, 1977199, 2259656, 3954398, 4519312, 7908796, 13840393, 15817592, 27680786, 31635184, 55361572, 110723144, 221446288]

約数ペア:

[(1, 221446288), (2, 110723144), (4, 55361572), (7, 31635184), (8, 27680786), (14, 15817592), (16, 13840393), (28, 7908796), (49, 4519312), (56, 3954398), (98, 2259656), (112, 1977199), (196, 1129828), (343, 645616), (392, 564914), (686, 322808), (784, 282457), (1372, 161404), (2744, 80702), (5488, 40351)]