198540145792

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{381949}}^1$

素因数の和:382125

約数の個数: 64

約数和(自身を含む): 411405984000

約数和(自身を除く): 212865838208

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 131, 248, 262, 496, 524, 992, 1048, 1984, 2096, 3968, 4061, 4192, 8122, 8384, 16244, 16768, 32488, 64976, 129952, 259904, 381949, 519808, 763898, 1527796, 3055592, 6111184, 11840419, 12222368, 23680838, 24444736, 47361676, 48889472, 50035319, 94723352, 100070638, 189446704, 200141276, 378893408, 400282552, 757786816, 800565104, 1515573632, 1551094889, 1601130208, 3102189778, 3202260416, 6204379556, 6404520832, 12408759112, 24817518224, 49635036448, 99270072896, 198540145792]

約数ペア:

[(1, 198540145792), (2, 99270072896), (4, 49635036448), (8, 24817518224), (16, 12408759112), (31, 6404520832), (32, 6204379556), (62, 3202260416), (64, 3102189778), (124, 1601130208), (128, 1551094889), (131, 1515573632), (248, 800565104), (262, 757786816), (496, 400282552), (524, 378893408), (992, 200141276), (1048, 189446704), (1984, 100070638), (2096, 94723352), (3968, 50035319), (4061, 48889472), (4192, 47361676), (8122, 24444736), (8384, 23680838), (16244, 12222368), (16768, 11840419), (32488, 6111184), (64976, 3055592), (129952, 1527796), (259904, 763898), (381949, 519808)]