399391496

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{883}}^1$

素因数の和:1134

約数の個数: 64

約数和(自身を含む): 882161280

約数和(自身を除く): 482769784

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 197, 287, 328, 394, 574, 788, 883, 1148, 1379, 1576, 1766, 2296, 2758, 3532, 5516, 6181, 7064, 8077, 11032, 12362, 16154, 24724, 32308, 36203, 49448, 56539, 64616, 72406, 113078, 144812, 173951, 226156, 253421, 289624, 347902, 452312, 506842, 695804, 1013684, 1217657, 1391608, 2027368, 2435314, 4870628, 7131991, 9741256, 14263982, 28527964, 49923937, 57055928, 99847874, 199695748, 399391496]

約数ペア:

[(1, 399391496), (2, 199695748), (4, 99847874), (7, 57055928), (8, 49923937), (14, 28527964), (28, 14263982), (41, 9741256), (56, 7131991), (82, 4870628), (164, 2435314), (197, 2027368), (287, 1391608), (328, 1217657), (394, 1013684), (574, 695804), (788, 506842), (883, 452312), (1148, 347902), (1379, 289624), (1576, 253421), (1766, 226156), (2296, 173951), (2758, 144812), (3532, 113078), (5516, 72406), (6181, 64616), (7064, 56539), (8077, 49448), (11032, 36203), (12362, 32308), (16154, 24724)]