128669716

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{547}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 267108352

約数和(自身を除く): 138438636

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 271, 434, 542, 547, 868, 1084, 1094, 1897, 2188, 3794, 3829, 7588, 7658, 8401, 15316, 16802, 16957, 33604, 33914, 58807, 67828, 117614, 118699, 148237, 235228, 237398, 296474, 474796, 592948, 1037659, 2075318, 4150636, 4595347, 9190694, 18381388, 32167429, 64334858, 128669716]

約数ペア:

[(1, 128669716), (2, 64334858), (4, 32167429), (7, 18381388), (14, 9190694), (28, 4595347), (31, 4150636), (62, 2075318), (124, 1037659), (217, 592948), (271, 474796), (434, 296474), (542, 237398), (547, 235228), (868, 148237), (1084, 118699), (1094, 117614), (1897, 67828), (2188, 58807), (3794, 33914), (3829, 33604), (7588, 16957), (7658, 16802), (8401, 15316)]