215549456

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{661}}^1$

素因数の和:987

約数の個数: 40

約数和(自身を含む): 424805400

約数和(自身を除く): 209255944

約数列:

[1, 2, 4, 8, 16, 89, 178, 229, 356, 458, 661, 712, 916, 1322, 1424, 1832, 2644, 3664, 5288, 10576, 20381, 40762, 58829, 81524, 117658, 151369, 163048, 235316, 302738, 326096, 470632, 605476, 941264, 1210952, 2421904, 13471841, 26943682, 53887364, 107774728, 215549456]

約数ペア:

[(1, 215549456), (2, 107774728), (4, 53887364), (8, 26943682), (16, 13471841), (89, 2421904), (178, 1210952), (229, 941264), (356, 605476), (458, 470632), (661, 326096), (712, 302738), (916, 235316), (1322, 163048), (1424, 151369), (1832, 117658), (2644, 81524), (3664, 58829), (5288, 40762), (10576, 20381)]