201399328

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:426

約数の個数: 72

約数和(自身を含む): 433859328

約数和(自身を除く): 232460000

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 167, 169, 208, 223, 334, 338, 416, 446, 668, 676, 892, 1336, 1352, 1784, 2171, 2672, 2704, 2899, 3568, 4342, 5344, 5408, 5798, 7136, 8684, 11596, 17368, 23192, 28223, 34736, 37241, 37687, 46384, 56446, 69472, 74482, 75374, 92768, 112892, 148964, 150748, 225784, 297928, 301496, 451568, 484133, 595856, 602992, 903136, 968266, 1191712, 1205984, 1936532, 3873064, 6293729, 7746128, 12587458, 15492256, 25174916, 50349832, 100699664, 201399328]

約数ペア:

[(1, 201399328), (2, 100699664), (4, 50349832), (8, 25174916), (13, 15492256), (16, 12587458), (26, 7746128), (32, 6293729), (52, 3873064), (104, 1936532), (167, 1205984), (169, 1191712), (208, 968266), (223, 903136), (334, 602992), (338, 595856), (416, 484133), (446, 451568), (668, 301496), (676, 297928), (892, 225784), (1336, 150748), (1352, 148964), (1784, 112892), (2171, 92768), (2672, 75374), (2704, 74482), (2899, 69472), (3568, 56446), (4342, 46384), (5344, 37687), (5408, 37241), (5798, 34736), (7136, 28223), (8684, 23192), (11596, 17368)]