397621504

素因数分解:

$2^8\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4721}}^1$

素因数の和:4791

約数の個数: 72

約数和(自身を含む): 926569728

約数和(自身を除く): 528948224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 128, 188, 224, 256, 329, 376, 448, 658, 752, 896, 1316, 1504, 1792, 2632, 3008, 4721, 5264, 6016, 9442, 10528, 12032, 18884, 21056, 33047, 37768, 42112, 66094, 75536, 84224, 132188, 151072, 221887, 264376, 302144, 443774, 528752, 604288, 887548, 1057504, 1208576, 1553209, 1775096, 2115008, 3106418, 3550192, 4230016, 6212836, 7100384, 8460032, 12425672, 14200768, 24851344, 28401536, 49702688, 56803072, 99405376, 198810752, 397621504]

約数ペア:

[(1, 397621504), (2, 198810752), (4, 99405376), (7, 56803072), (8, 49702688), (14, 28401536), (16, 24851344), (28, 14200768), (32, 12425672), (47, 8460032), (56, 7100384), (64, 6212836), (94, 4230016), (112, 3550192), (128, 3106418), (188, 2115008), (224, 1775096), (256, 1553209), (329, 1208576), (376, 1057504), (448, 887548), (658, 604288), (752, 528752), (896, 443774), (1316, 302144), (1504, 264376), (1792, 221887), (2632, 151072), (3008, 132188), (4721, 84224), (5264, 75536), (6016, 66094), (9442, 42112), (10528, 37768), (12032, 33047), (18884, 21056)]