263913104

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:305

約数の個数: 120

約数和(自身を含む): 644815872

約数和(自身を除く): 380902768

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 73, 91, 104, 112, 146, 169, 182, 191, 208, 292, 338, 364, 382, 511, 584, 676, 728, 764, 949, 1022, 1168, 1183, 1337, 1352, 1456, 1528, 1898, 2044, 2366, 2483, 2674, 2704, 3056, 3796, 4088, 4732, 4966, 5348, 6643, 7592, 8176, 9464, 9932, 10696, 12337, 13286, 13943, 15184, 17381, 18928, 19864, 21392, 24674, 26572, 27886, 32279, 34762, 39728, 49348, 53144, 55772, 64558, 69524, 86359, 97601, 98696, 106288, 111544, 129116, 139048, 172718, 181259, 195202, 197392, 223088, 225953, 258232, 278096, 345436, 362518, 390404, 451906, 516464, 690872, 725036, 780808, 903812, 1268813, 1381744, 1450072, 1561616, 1807624, 2356367, 2537626, 2900144, 3615248, 4712734, 5075252, 9425468, 10150504, 16494569, 18850936, 20301008, 32989138, 37701872, 65978276, 131956552, 263913104]

約数ペア:

[(1, 263913104), (2, 131956552), (4, 65978276), (7, 37701872), (8, 32989138), (13, 20301008), (14, 18850936), (16, 16494569), (26, 10150504), (28, 9425468), (52, 5075252), (56, 4712734), (73, 3615248), (91, 2900144), (104, 2537626), (112, 2356367), (146, 1807624), (169, 1561616), (182, 1450072), (191, 1381744), (208, 1268813), (292, 903812), (338, 780808), (364, 725036), (382, 690872), (511, 516464), (584, 451906), (676, 390404), (728, 362518), (764, 345436), (949, 278096), (1022, 258232), (1168, 225953), (1183, 223088), (1337, 197392), (1352, 195202), (1456, 181259), (1528, 172718), (1898, 139048), (2044, 129116), (2366, 111544), (2483, 106288), (2674, 98696), (2704, 97601), (3056, 86359), (3796, 69524), (4088, 64558), (4732, 55772), (4966, 53144), (5348, 49348), (6643, 39728), (7592, 34762), (8176, 32279), (9464, 27886), (9932, 26572), (10696, 24674), (12337, 21392), (13286, 19864), (13943, 18928), (15184, 17381)]