28582528

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 62332200

約数和(自身を除く): 33749672

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 89, 104, 128, 178, 193, 208, 356, 386, 416, 712, 772, 832, 1157, 1424, 1544, 1664, 2314, 2509, 2848, 3088, 4628, 5018, 5696, 6176, 9256, 10036, 11392, 12352, 17177, 18512, 20072, 24704, 34354, 37024, 40144, 68708, 74048, 80288, 137416, 148096, 160576, 223301, 274832, 321152, 446602, 549664, 893204, 1099328, 1786408, 2198656, 3572816, 7145632, 14291264, 28582528]

約数ペア:

[(1, 28582528), (2, 14291264), (4, 7145632), (8, 3572816), (13, 2198656), (16, 1786408), (26, 1099328), (32, 893204), (52, 549664), (64, 446602), (89, 321152), (104, 274832), (128, 223301), (178, 160576), (193, 148096), (208, 137416), (356, 80288), (386, 74048), (416, 68708), (712, 40144), (772, 37024), (832, 34354), (1157, 24704), (1424, 20072), (1544, 18512), (1664, 17177), (2314, 12352), (2509, 11392), (2848, 10036), (3088, 9256), (4628, 6176), (5018, 5696)]