640891328

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{130051}}^1$

素因数の和:130081

約数の個数: 56

約数和(自身を含む): 1585593984

約数和(自身を除く): 944702656

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 154, 176, 224, 308, 352, 448, 616, 704, 1232, 2464, 4928, 130051, 260102, 520204, 910357, 1040408, 1430561, 1820714, 2080816, 2861122, 3641428, 4161632, 5722244, 7282856, 8323264, 10013927, 11444488, 14565712, 20027854, 22888976, 29131424, 40055708, 45777952, 58262848, 80111416, 91555904, 160222832, 320445664, 640891328]

約数ペア:

[(1, 640891328), (2, 320445664), (4, 160222832), (7, 91555904), (8, 80111416), (11, 58262848), (14, 45777952), (16, 40055708), (22, 29131424), (28, 22888976), (32, 20027854), (44, 14565712), (56, 11444488), (64, 10013927), (77, 8323264), (88, 7282856), (112, 5722244), (154, 4161632), (176, 3641428), (224, 2861122), (308, 2080816), (352, 1820714), (448, 1430561), (616, 1040408), (704, 910357), (1232, 520204), (2464, 260102), (4928, 130051)]