128691488

素因数分解:

$2^5\times {\mathrm{509}}^1\times {\mathrm{7901}}^1$

素因数の和:8420

約数の個数: 24

約数和(自身を含む): 253891260

約数和(自身を除く): 125199772

約数列:

[1, 2, 4, 8, 16, 32, 509, 1018, 2036, 4072, 7901, 8144, 15802, 16288, 31604, 63208, 126416, 252832, 4021609, 8043218, 16086436, 32172872, 64345744, 128691488]

約数ペア:

[(1, 128691488), (2, 64345744), (4, 32172872), (8, 16086436), (16, 8043218), (32, 4021609), (509, 252832), (1018, 126416), (2036, 63208), (4072, 31604), (7901, 16288), (8144, 15802)]