28175264

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 60487560

約数和(自身を除く): 32312296

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 89, 104, 178, 208, 356, 416, 712, 761, 1157, 1424, 1522, 2314, 2848, 3044, 4628, 6088, 9256, 9893, 12176, 18512, 19786, 24352, 37024, 39572, 67729, 79144, 135458, 158288, 270916, 316576, 541832, 880477, 1083664, 1760954, 2167328, 3521908, 7043816, 14087632, 28175264]

約数ペア:

[(1, 28175264), (2, 14087632), (4, 7043816), (8, 3521908), (13, 2167328), (16, 1760954), (26, 1083664), (32, 880477), (52, 541832), (89, 316576), (104, 270916), (178, 158288), (208, 135458), (356, 79144), (416, 67729), (712, 39572), (761, 37024), (1157, 24352), (1424, 19786), (1522, 18512), (2314, 12176), (2848, 9893), (3044, 9256), (4628, 6088)]