28663210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{587}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 54613440

約数和(自身を除く): 25950230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 257, 514, 587, 1174, 1285, 2570, 2935, 4883, 5870, 9766, 11153, 22306, 24415, 48830, 55765, 111530, 150859, 301718, 754295, 1508590, 2866321, 5732642, 14331605, 28663210]

約数ペア:

[(1, 28663210), (2, 14331605), (5, 5732642), (10, 2866321), (19, 1508590), (38, 754295), (95, 301718), (190, 150859), (257, 111530), (514, 55765), (587, 48830), (1174, 24415), (1285, 22306), (2570, 11153), (2935, 9766), (4883, 5870)]