28965872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{887}}^1$

素因数の和:1065

約数の個数: 40

約数和(自身を含む): 60891936

約数和(自身を除く): 31926064

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 628, 887, 1256, 1774, 2041, 2512, 3548, 4082, 7096, 8164, 11531, 14192, 16328, 23062, 32656, 46124, 92248, 139259, 184496, 278518, 557036, 1114072, 1810367, 2228144, 3620734, 7241468, 14482936, 28965872]

約数ペア:

[(1, 28965872), (2, 14482936), (4, 7241468), (8, 3620734), (13, 2228144), (16, 1810367), (26, 1114072), (52, 557036), (104, 278518), (157, 184496), (208, 139259), (314, 92248), (628, 46124), (887, 32656), (1256, 23062), (1774, 16328), (2041, 14192), (2512, 11531), (3548, 8164), (4082, 7096)]