256763832

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:333

約数の個数: 128

約数和(自身を含む): 715599360

約数和(自身を除く): 458835528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 67, 71, 78, 104, 134, 142, 156, 173, 201, 213, 268, 284, 312, 346, 402, 426, 519, 536, 568, 692, 804, 852, 871, 923, 1038, 1384, 1608, 1704, 1742, 1846, 2076, 2249, 2613, 2769, 3484, 3692, 4152, 4498, 4757, 5226, 5538, 6747, 6968, 7384, 8996, 9514, 10452, 11076, 11591, 12283, 13494, 14271, 17992, 19028, 20904, 22152, 23182, 24566, 26988, 28542, 34773, 36849, 38056, 46364, 49132, 53976, 57084, 61841, 69546, 73698, 92728, 98264, 114168, 123682, 139092, 147396, 150683, 159679, 185523, 247364, 278184, 294792, 301366, 319358, 371046, 452049, 479037, 494728, 602732, 638716, 742092, 822961, 904098, 958074, 1205464, 1277432, 1484184, 1645922, 1808196, 1916148, 2468883, 3291844, 3616392, 3832296, 4937766, 6583688, 9875532, 10698493, 19751064, 21396986, 32095479, 42793972, 64190958, 85587944, 128381916, 256763832]

約数ペア:

[(1, 256763832), (2, 128381916), (3, 85587944), (4, 64190958), (6, 42793972), (8, 32095479), (12, 21396986), (13, 19751064), (24, 10698493), (26, 9875532), (39, 6583688), (52, 4937766), (67, 3832296), (71, 3616392), (78, 3291844), (104, 2468883), (134, 1916148), (142, 1808196), (156, 1645922), (173, 1484184), (201, 1277432), (213, 1205464), (268, 958074), (284, 904098), (312, 822961), (346, 742092), (402, 638716), (426, 602732), (519, 494728), (536, 479037), (568, 452049), (692, 371046), (804, 319358), (852, 301366), (871, 294792), (923, 278184), (1038, 247364), (1384, 185523), (1608, 159679), (1704, 150683), (1742, 147396), (1846, 139092), (2076, 123682), (2249, 114168), (2613, 98264), (2769, 92728), (3484, 73698), (3692, 69546), (4152, 61841), (4498, 57084), (4757, 53976), (5226, 49132), (5538, 46364), (6747, 38056), (6968, 36849), (7384, 34773), (8996, 28542), (9514, 26988), (10452, 24566), (11076, 23182), (11591, 22152), (12283, 20904), (13494, 19028), (14271, 17992)]