28941328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2281}}^1$

素因数の和:2363

約数の個数: 40

約数和(自身を含む): 61404056

約数和(自身を除く): 32462728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 2281, 3172, 4562, 6344, 9124, 12688, 18248, 29653, 36496, 59306, 118612, 139141, 237224, 278282, 474448, 556564, 1113128, 1808833, 2226256, 3617666, 7235332, 14470664, 28941328]

約数ペア:

[(1, 28941328), (2, 14470664), (4, 7235332), (8, 3617666), (13, 2226256), (16, 1808833), (26, 1113128), (52, 556564), (61, 474448), (104, 278282), (122, 237224), (208, 139141), (244, 118612), (488, 59306), (793, 36496), (976, 29653), (1586, 18248), (2281, 12688), (3172, 9124), (4562, 6344)]