398528256

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{74131}}^1$

素因数の和:74157

約数の個数: 72

約数和(自身を含む): 1212206464

約数和(自身を除く): 813678208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 672, 768, 896, 1344, 1792, 2688, 5376, 74131, 148262, 222393, 296524, 444786, 518917, 593048, 889572, 1037834, 1186096, 1556751, 1779144, 2075668, 2372192, 3113502, 3558288, 4151336, 4744384, 6227004, 7116576, 8302672, 9488768, 12454008, 14233152, 16605344, 18977536, 24908016, 28466304, 33210688, 49816032, 56932608, 66421376, 99632064, 132842752, 199264128, 398528256]

約数ペア:

[(1, 398528256), (2, 199264128), (3, 132842752), (4, 99632064), (6, 66421376), (7, 56932608), (8, 49816032), (12, 33210688), (14, 28466304), (16, 24908016), (21, 18977536), (24, 16605344), (28, 14233152), (32, 12454008), (42, 9488768), (48, 8302672), (56, 7116576), (64, 6227004), (84, 4744384), (96, 4151336), (112, 3558288), (128, 3113502), (168, 2372192), (192, 2075668), (224, 1779144), (256, 1556751), (336, 1186096), (384, 1037834), (448, 889572), (672, 593048), (768, 518917), (896, 444786), (1344, 296524), (1792, 222393), (2688, 148262), (5376, 74131)]