71278256

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{10433}}^1$

素因数の和:10509

約数の個数: 40

約数和(自身を含む): 160433184

約数和(自身を除く): 89154928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3416, 6832, 10433, 20866, 41732, 73031, 83464, 146062, 166928, 292124, 584248, 636413, 1168496, 1272826, 2545652, 4454891, 5091304, 8909782, 10182608, 17819564, 35639128, 71278256]

約数ペア:

[(1, 71278256), (2, 35639128), (4, 17819564), (7, 10182608), (8, 8909782), (14, 5091304), (16, 4454891), (28, 2545652), (56, 1272826), (61, 1168496), (112, 636413), (122, 584248), (244, 292124), (427, 166928), (488, 146062), (854, 83464), (976, 73031), (1708, 41732), (3416, 20866), (6832, 10433)]