28831712

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9901}}^1$

素因数の和:9931

約数の個数: 48

約数和(自身を含む): 69868512

約数和(自身を除く): 41036800

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 9901, 19802, 39604, 69307, 79208, 128713, 138614, 158416, 257426, 277228, 316832, 514852, 554456, 900991, 1029704, 1108912, 1801982, 2059408, 2217824, 3603964, 4118816, 7207928, 14415856, 28831712]

約数ペア:

[(1, 28831712), (2, 14415856), (4, 7207928), (7, 4118816), (8, 3603964), (13, 2217824), (14, 2059408), (16, 1801982), (26, 1108912), (28, 1029704), (32, 900991), (52, 554456), (56, 514852), (91, 316832), (104, 277228), (112, 257426), (182, 158416), (208, 138614), (224, 128713), (364, 79208), (416, 69307), (728, 39604), (1456, 19802), (2912, 9901)]