978310912

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1447}}^1$

素因数の和:1621

約数の個数: 72

約数和(自身を含む): 2071798400

約数和(自身を除く): 1093487488

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 139, 152, 256, 278, 304, 556, 608, 1112, 1216, 1447, 2224, 2432, 2641, 2894, 4448, 4864, 5282, 5788, 8896, 10564, 11576, 17792, 21128, 23152, 27493, 35584, 42256, 46304, 54986, 84512, 92608, 109972, 169024, 185216, 201133, 219944, 338048, 370432, 402266, 439888, 676096, 804532, 879776, 1609064, 1759552, 3218128, 3519104, 3821527, 6436256, 7038208, 7643054, 12872512, 15286108, 25745024, 30572216, 51490048, 61144432, 122288864, 244577728, 489155456, 978310912]

約数ペア:

[(1, 978310912), (2, 489155456), (4, 244577728), (8, 122288864), (16, 61144432), (19, 51490048), (32, 30572216), (38, 25745024), (64, 15286108), (76, 12872512), (128, 7643054), (139, 7038208), (152, 6436256), (256, 3821527), (278, 3519104), (304, 3218128), (556, 1759552), (608, 1609064), (1112, 879776), (1216, 804532), (1447, 676096), (2224, 439888), (2432, 402266), (2641, 370432), (2894, 338048), (4448, 219944), (4864, 201133), (5282, 185216), (5788, 169024), (8896, 109972), (10564, 92608), (11576, 84512), (17792, 54986), (21128, 46304), (23152, 42256), (27493, 35584)]