28019088

素因数分解:

$2^4\times 3^3\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:917

約数の個数: 80

約数和(自身を含む): 81542400

約数和(自身を除く): 53523312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 79, 108, 144, 158, 216, 237, 316, 432, 474, 632, 711, 821, 948, 1264, 1422, 1642, 1896, 2133, 2463, 2844, 3284, 3792, 4266, 4926, 5688, 6568, 7389, 8532, 9852, 11376, 13136, 14778, 17064, 19704, 22167, 29556, 34128, 39408, 44334, 59112, 64859, 88668, 118224, 129718, 177336, 194577, 259436, 354672, 389154, 518872, 583731, 778308, 1037744, 1167462, 1556616, 1751193, 2334924, 3113232, 3502386, 4669848, 7004772, 9339696, 14009544, 28019088]

約数ペア:

[(1, 28019088), (2, 14009544), (3, 9339696), (4, 7004772), (6, 4669848), (8, 3502386), (9, 3113232), (12, 2334924), (16, 1751193), (18, 1556616), (24, 1167462), (27, 1037744), (36, 778308), (48, 583731), (54, 518872), (72, 389154), (79, 354672), (108, 259436), (144, 194577), (158, 177336), (216, 129718), (237, 118224), (316, 88668), (432, 64859), (474, 59112), (632, 44334), (711, 39408), (821, 34128), (948, 29556), (1264, 22167), (1422, 19704), (1642, 17064), (1896, 14778), (2133, 13136), (2463, 11376), (2844, 9852), (3284, 8532), (3792, 7389), (4266, 6568), (4926, 5688)]