199673984

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 409795200

約数和(自身を除く): 210121216

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 107, 122, 128, 214, 239, 244, 428, 478, 488, 856, 956, 976, 1712, 1912, 1952, 3424, 3824, 3904, 6527, 6848, 7648, 7808, 13054, 13696, 14579, 15296, 25573, 26108, 29158, 30592, 51146, 52216, 58316, 102292, 104432, 116632, 204584, 208864, 233264, 409168, 417728, 466528, 818336, 835456, 933056, 1559953, 1636672, 1866112, 3119906, 3273344, 6239812, 12479624, 24959248, 49918496, 99836992, 199673984]

約数ペア:

[(1, 199673984), (2, 99836992), (4, 49918496), (8, 24959248), (16, 12479624), (32, 6239812), (61, 3273344), (64, 3119906), (107, 1866112), (122, 1636672), (128, 1559953), (214, 933056), (239, 835456), (244, 818336), (428, 466528), (478, 417728), (488, 409168), (856, 233264), (956, 208864), (976, 204584), (1712, 116632), (1912, 104432), (1952, 102292), (3424, 58316), (3824, 52216), (3904, 51146), (6527, 30592), (6848, 29158), (7648, 26108), (7808, 25573), (13054, 15296), (13696, 14579)]