199661824

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 416648960

約数和(自身を除く): 216987136

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 139, 181, 248, 256, 278, 362, 496, 556, 724, 992, 1112, 1448, 1984, 2224, 2896, 3968, 4309, 4448, 5611, 5792, 7936, 8618, 8896, 11222, 11584, 17236, 17792, 22444, 23168, 25159, 34472, 35584, 44888, 46336, 50318, 68944, 89776, 100636, 137888, 179552, 201272, 275776, 359104, 402544, 551552, 718208, 779929, 805088, 1103104, 1436416, 1559858, 1610176, 3119716, 3220352, 6239432, 6440704, 12478864, 24957728, 49915456, 99830912, 199661824]

約数ペア:

[(1, 199661824), (2, 99830912), (4, 49915456), (8, 24957728), (16, 12478864), (31, 6440704), (32, 6239432), (62, 3220352), (64, 3119716), (124, 1610176), (128, 1559858), (139, 1436416), (181, 1103104), (248, 805088), (256, 779929), (278, 718208), (362, 551552), (496, 402544), (556, 359104), (724, 275776), (992, 201272), (1112, 179552), (1448, 137888), (1984, 100636), (2224, 89776), (2896, 68944), (3968, 50318), (4309, 46336), (4448, 44888), (5611, 35584), (5792, 34472), (7936, 25159), (8618, 23168), (8896, 22444), (11222, 17792), (11584, 17236)]