28321878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{15787}}^1$

素因数の和:15828

約数の個数: 32

約数和(自身を含む): 63657216

約数和(自身を除く): 35335338

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 15787, 31574, 47361, 94722, 205231, 363101, 410462, 615693, 726202, 1089303, 1231386, 2178606, 4720313, 9440626, 14160939, 28321878]

約数ペア:

[(1, 28321878), (2, 14160939), (3, 9440626), (6, 4720313), (13, 2178606), (23, 1231386), (26, 1089303), (39, 726202), (46, 615693), (69, 410462), (78, 363101), (138, 205231), (299, 94722), (598, 47361), (897, 31574), (1794, 15787)]