724357908

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{227}}^1\times {\mathrm{647}}^1$

素因数の和:1021

約数の個数: 72

約数和(自身を含む): 1855369152

約数和(自身を除く): 1131011244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 227, 274, 411, 454, 548, 647, 681, 822, 908, 1233, 1294, 1362, 1644, 1941, 2043, 2466, 2588, 2724, 3882, 4086, 4932, 5823, 7764, 8172, 11646, 23292, 31099, 62198, 88639, 93297, 124396, 146869, 177278, 186594, 265917, 279891, 293738, 354556, 373188, 440607, 531834, 559782, 587476, 797751, 881214, 1063668, 1119564, 1321821, 1595502, 1762428, 2643642, 3191004, 5287284, 20121053, 40242106, 60363159, 80484212, 120726318, 181089477, 241452636, 362178954, 724357908]

約数ペア:

[(1, 724357908), (2, 362178954), (3, 241452636), (4, 181089477), (6, 120726318), (9, 80484212), (12, 60363159), (18, 40242106), (36, 20121053), (137, 5287284), (227, 3191004), (274, 2643642), (411, 1762428), (454, 1595502), (548, 1321821), (647, 1119564), (681, 1063668), (822, 881214), (908, 797751), (1233, 587476), (1294, 559782), (1362, 531834), (1644, 440607), (1941, 373188), (2043, 354556), (2466, 293738), (2588, 279891), (2724, 265917), (3882, 186594), (4086, 177278), (4932, 146869), (5823, 124396), (7764, 93297), (8172, 88639), (11646, 62198), (23292, 31099)]