291275008

素因数分解:

$2^8\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 108

約数和(自身を含む): 642568192

約数和(自身を除く): 351293184

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 127, 128, 136, 248, 254, 256, 272, 289, 496, 508, 527, 544, 578, 992, 1016, 1054, 1088, 1156, 1984, 2032, 2108, 2159, 2176, 2312, 3937, 3968, 4064, 4216, 4318, 4352, 4624, 7874, 7936, 8128, 8432, 8636, 8959, 9248, 15748, 16256, 16864, 17272, 17918, 18496, 31496, 32512, 33728, 34544, 35836, 36703, 36992, 62992, 66929, 67456, 69088, 71672, 73406, 73984, 125984, 133858, 134912, 138176, 143344, 146812, 251968, 267716, 276352, 286688, 293624, 503936, 535432, 552704, 573376, 587248, 1007872, 1070864, 1137793, 1146752, 1174496, 2141728, 2275586, 2293504, 2348992, 4283456, 4551172, 4697984, 8566912, 9102344, 9395968, 17133824, 18204688, 36409376, 72818752, 145637504, 291275008]

約数ペア:

[(1, 291275008), (2, 145637504), (4, 72818752), (8, 36409376), (16, 18204688), (17, 17133824), (31, 9395968), (32, 9102344), (34, 8566912), (62, 4697984), (64, 4551172), (68, 4283456), (124, 2348992), (127, 2293504), (128, 2275586), (136, 2141728), (248, 1174496), (254, 1146752), (256, 1137793), (272, 1070864), (289, 1007872), (496, 587248), (508, 573376), (527, 552704), (544, 535432), (578, 503936), (992, 293624), (1016, 286688), (1054, 276352), (1088, 267716), (1156, 251968), (1984, 146812), (2032, 143344), (2108, 138176), (2159, 134912), (2176, 133858), (2312, 125984), (3937, 73984), (3968, 73406), (4064, 71672), (4216, 69088), (4318, 67456), (4352, 66929), (4624, 62992), (7874, 36992), (7936, 36703), (8128, 35836), (8432, 34544), (8636, 33728), (8959, 32512), (9248, 31496), (15748, 18496), (16256, 17918), (16864, 17272)]