1636687616

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{449}}^1\times {\mathrm{491}}^1$

素因数の和:985

約数の個数: 72

約数和(自身を含む): 3394062000

約数和(自身を除く): 1757374384

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 449, 464, 491, 898, 928, 982, 1796, 1856, 1964, 3592, 3712, 3928, 7184, 7424, 7856, 13021, 14239, 14368, 15712, 26042, 28478, 28736, 31424, 52084, 56956, 57472, 62848, 104168, 113912, 114944, 125696, 208336, 220459, 227824, 416672, 440918, 455648, 833344, 881836, 911296, 1666688, 1763672, 1822592, 3333376, 3527344, 3645184, 6393311, 7054688, 12786622, 14109376, 25573244, 28218752, 51146488, 56437504, 102292976, 204585952, 409171904, 818343808, 1636687616]

約数ペア:

[(1, 1636687616), (2, 818343808), (4, 409171904), (8, 204585952), (16, 102292976), (29, 56437504), (32, 51146488), (58, 28218752), (64, 25573244), (116, 14109376), (128, 12786622), (232, 7054688), (256, 6393311), (449, 3645184), (464, 3527344), (491, 3333376), (898, 1822592), (928, 1763672), (982, 1666688), (1796, 911296), (1856, 881836), (1964, 833344), (3592, 455648), (3712, 440918), (3928, 416672), (7184, 227824), (7424, 220459), (7856, 208336), (13021, 125696), (14239, 114944), (14368, 113912), (15712, 104168), (26042, 62848), (28478, 57472), (28736, 56956), (31424, 52084)]