217854112

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:414

約数の個数: 96

約数和(自身を含む): 511902720

約数和(自身を除く): 294048608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 137, 217, 224, 229, 248, 274, 434, 458, 496, 548, 868, 916, 959, 992, 1096, 1603, 1736, 1832, 1918, 2192, 3206, 3472, 3664, 3836, 4247, 4384, 6412, 6944, 7099, 7328, 7672, 8494, 12824, 14198, 15344, 16988, 25648, 28396, 29729, 30688, 31373, 33976, 49693, 51296, 56792, 59458, 62746, 67952, 99386, 113584, 118916, 125492, 135904, 198772, 219611, 227168, 237832, 250984, 397544, 439222, 475664, 501968, 795088, 878444, 951328, 972563, 1003936, 1590176, 1756888, 1945126, 3513776, 3890252, 6807941, 7027552, 7780504, 13615882, 15561008, 27231764, 31122016, 54463528, 108927056, 217854112]

約数ペア:

[(1, 217854112), (2, 108927056), (4, 54463528), (7, 31122016), (8, 27231764), (14, 15561008), (16, 13615882), (28, 7780504), (31, 7027552), (32, 6807941), (56, 3890252), (62, 3513776), (112, 1945126), (124, 1756888), (137, 1590176), (217, 1003936), (224, 972563), (229, 951328), (248, 878444), (274, 795088), (434, 501968), (458, 475664), (496, 439222), (548, 397544), (868, 250984), (916, 237832), (959, 227168), (992, 219611), (1096, 198772), (1603, 135904), (1736, 125492), (1832, 118916), (1918, 113584), (2192, 99386), (3206, 67952), (3472, 62746), (3664, 59458), (3836, 56792), (4247, 51296), (4384, 49693), (6412, 33976), (6944, 31373), (7099, 30688), (7328, 29729), (7672, 28396), (8494, 25648), (12824, 16988), (14198, 15344)]