256604992

素因数分解:

$2^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19751}}^1$

素因数の和:19799

約数の個数: 56

約数和(自身を含む): 602040960

約数和(自身を除く): 345435968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 203, 224, 232, 406, 448, 464, 812, 928, 1624, 1856, 3248, 6496, 12992, 19751, 39502, 79004, 138257, 158008, 276514, 316016, 553028, 572779, 632032, 1106056, 1145558, 1264064, 2212112, 2291116, 4009453, 4424224, 4582232, 8018906, 8848448, 9164464, 16037812, 18328928, 32075624, 36657856, 64151248, 128302496, 256604992]

約数ペア:

[(1, 256604992), (2, 128302496), (4, 64151248), (7, 36657856), (8, 32075624), (14, 18328928), (16, 16037812), (28, 9164464), (29, 8848448), (32, 8018906), (56, 4582232), (58, 4424224), (64, 4009453), (112, 2291116), (116, 2212112), (203, 1264064), (224, 1145558), (232, 1106056), (406, 632032), (448, 572779), (464, 553028), (812, 316016), (928, 276514), (1624, 158008), (1856, 138257), (3248, 79004), (6496, 39502), (12992, 19751)]