398828416

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15349}}^1$

素因数の和:15399

約数の個数: 64

約数和(自身を含む): 939420000

約数和(自身を除く): 540591584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 406, 448, 464, 812, 896, 928, 1624, 1856, 3248, 3712, 6496, 12992, 15349, 25984, 30698, 61396, 107443, 122792, 214886, 245584, 429772, 445121, 491168, 859544, 890242, 982336, 1719088, 1780484, 1964672, 3115847, 3438176, 3560968, 6231694, 6876352, 7121936, 12463388, 13752704, 14243872, 24926776, 28487744, 49853552, 56975488, 99707104, 199414208, 398828416]

約数ペア:

[(1, 398828416), (2, 199414208), (4, 99707104), (7, 56975488), (8, 49853552), (14, 28487744), (16, 24926776), (28, 14243872), (29, 13752704), (32, 12463388), (56, 7121936), (58, 6876352), (64, 6231694), (112, 3560968), (116, 3438176), (128, 3115847), (203, 1964672), (224, 1780484), (232, 1719088), (406, 982336), (448, 890242), (464, 859544), (812, 491168), (896, 445121), (928, 429772), (1624, 245584), (1856, 214886), (3248, 122792), (3712, 107443), (6496, 61396), (12992, 30698), (15349, 25984)]