78820714

素因数分解:

$2^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{1291}}^1$

素因数の和:1403

約数の個数: 32

約数和(自身を含む): 139536000

約数和(自身を除く): 60715286

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 343, 623, 686, 1246, 1291, 2582, 4361, 8722, 9037, 18074, 30527, 61054, 63259, 114899, 126518, 229798, 442813, 804293, 885626, 1608586, 5630051, 11260102, 39410357, 78820714]

約数ペア:

[(1, 78820714), (2, 39410357), (7, 11260102), (14, 5630051), (49, 1608586), (89, 885626), (98, 804293), (178, 442813), (343, 229798), (623, 126518), (686, 114899), (1246, 63259), (1291, 61054), (2582, 30527), (4361, 18074), (8722, 9037)]