28733536

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{239}}^1$

素因数の和:296

約数の個数: 72

約数和(自身を含む): 64985760

約数和(自身を除く): 36252224

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 239, 272, 289, 416, 442, 478, 544, 578, 884, 956, 1156, 1768, 1912, 2312, 3107, 3536, 3757, 3824, 4063, 4624, 6214, 7072, 7514, 7648, 8126, 9248, 12428, 15028, 16252, 24856, 30056, 32504, 49712, 52819, 60112, 65008, 69071, 99424, 105638, 120224, 130016, 138142, 211276, 276284, 422552, 552568, 845104, 897923, 1105136, 1690208, 1795846, 2210272, 3591692, 7183384, 14366768, 28733536]

約数ペア:

[(1, 28733536), (2, 14366768), (4, 7183384), (8, 3591692), (13, 2210272), (16, 1795846), (17, 1690208), (26, 1105136), (32, 897923), (34, 845104), (52, 552568), (68, 422552), (104, 276284), (136, 211276), (208, 138142), (221, 130016), (239, 120224), (272, 105638), (289, 99424), (416, 69071), (442, 65008), (478, 60112), (544, 52819), (578, 49712), (884, 32504), (956, 30056), (1156, 24856), (1768, 16252), (1912, 15028), (2312, 12428), (3107, 9248), (3536, 8126), (3757, 7648), (3824, 7514), (4063, 7072), (4624, 6214)]