257309388

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{199}}^1\times {\mathrm{733}}^1$

素因数の和:956

約数の個数: 108

約数和(自身を含む): 761451600

約数和(自身を除く): 504142212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 199, 252, 294, 398, 441, 588, 597, 733, 796, 882, 1194, 1393, 1466, 1764, 1791, 2199, 2388, 2786, 2932, 3582, 4179, 4398, 5131, 5572, 6597, 7164, 8358, 8796, 9751, 10262, 12537, 13194, 15393, 16716, 19502, 20524, 25074, 26388, 29253, 30786, 35917, 39004, 46179, 50148, 58506, 61572, 71834, 87759, 92358, 107751, 117012, 143668, 145867, 175518, 184716, 215502, 291734, 323253, 351036, 431004, 437601, 583468, 646506, 875202, 1021069, 1293012, 1312803, 1750404, 2042138, 2625606, 3063207, 4084276, 5251212, 6126414, 7147483, 9189621, 12252828, 14294966, 18379242, 21442449, 28589932, 36758484, 42884898, 64327347, 85769796, 128654694, 257309388]

約数ペア:

[(1, 257309388), (2, 128654694), (3, 85769796), (4, 64327347), (6, 42884898), (7, 36758484), (9, 28589932), (12, 21442449), (14, 18379242), (18, 14294966), (21, 12252828), (28, 9189621), (36, 7147483), (42, 6126414), (49, 5251212), (63, 4084276), (84, 3063207), (98, 2625606), (126, 2042138), (147, 1750404), (196, 1312803), (199, 1293012), (252, 1021069), (294, 875202), (398, 646506), (441, 583468), (588, 437601), (597, 431004), (733, 351036), (796, 323253), (882, 291734), (1194, 215502), (1393, 184716), (1466, 175518), (1764, 145867), (1791, 143668), (2199, 117012), (2388, 107751), (2786, 92358), (2932, 87759), (3582, 71834), (4179, 61572), (4398, 58506), (5131, 50148), (5572, 46179), (6597, 39004), (7164, 35917), (8358, 30786), (8796, 29253), (9751, 26388), (10262, 25074), (12537, 20524), (13194, 19502), (15393, 16716)]