201421952

素因数分解:

$2^7\times {\mathrm{89}}^1\times {\mathrm{17681}}^1$

素因数の和:17784

約数の個数: 32

約数和(自身を含む): 405801900

約数和(自身を除く): 204379948

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 356, 712, 1424, 2848, 5696, 11392, 17681, 35362, 70724, 141448, 282896, 565792, 1131584, 1573609, 2263168, 3147218, 6294436, 12588872, 25177744, 50355488, 100710976, 201421952]

約数ペア:

[(1, 201421952), (2, 100710976), (4, 50355488), (8, 25177744), (16, 12588872), (32, 6294436), (64, 3147218), (89, 2263168), (128, 1573609), (178, 1131584), (356, 565792), (712, 282896), (1424, 141448), (2848, 70724), (5696, 35362), (11392, 17681)]