142851716

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{397}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 292061952

約数和(自身を除く): 149210236

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 181, 284, 362, 397, 497, 724, 794, 994, 1267, 1588, 1988, 2534, 2779, 5068, 5558, 11116, 12851, 25702, 28187, 51404, 56374, 71857, 89957, 112748, 143714, 179914, 197309, 287428, 359828, 394618, 502999, 789236, 1005998, 2011996, 5101847, 10203694, 20407388, 35712929, 71425858, 142851716]

約数ペア:

[(1, 142851716), (2, 71425858), (4, 35712929), (7, 20407388), (14, 10203694), (28, 5101847), (71, 2011996), (142, 1005998), (181, 789236), (284, 502999), (362, 394618), (397, 359828), (497, 287428), (724, 197309), (794, 179914), (994, 143714), (1267, 112748), (1588, 89957), (1988, 71857), (2534, 56374), (2779, 51404), (5068, 28187), (5558, 25702), (11116, 12851)]