217258912

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1062

約数の個数: 96

約数和(自身を含む): 503967744

約数和(自身を除く): 286708832

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 32, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 272, 403, 416, 442, 496, 527, 544, 806, 884, 991, 992, 1054, 1612, 1768, 1982, 2108, 3224, 3536, 3964, 4216, 6448, 6851, 7072, 7928, 8432, 12883, 12896, 13702, 15856, 16847, 16864, 25766, 27404, 30721, 31712, 33694, 51532, 54808, 61442, 67388, 103064, 109616, 122884, 134776, 206128, 219011, 219232, 245768, 269552, 399373, 412256, 438022, 491536, 522257, 539104, 798746, 876044, 983072, 1044514, 1597492, 1752088, 2089028, 3194984, 3504176, 4178056, 6389968, 6789341, 7008352, 8356112, 12779936, 13578682, 16712224, 27157364, 54314728, 108629456, 217258912]

約数ペア:

[(1, 217258912), (2, 108629456), (4, 54314728), (8, 27157364), (13, 16712224), (16, 13578682), (17, 12779936), (26, 8356112), (31, 7008352), (32, 6789341), (34, 6389968), (52, 4178056), (62, 3504176), (68, 3194984), (104, 2089028), (124, 1752088), (136, 1597492), (208, 1044514), (221, 983072), (248, 876044), (272, 798746), (403, 539104), (416, 522257), (442, 491536), (496, 438022), (527, 412256), (544, 399373), (806, 269552), (884, 245768), (991, 219232), (992, 219011), (1054, 206128), (1612, 134776), (1768, 122884), (1982, 109616), (2108, 103064), (3224, 67388), (3536, 61442), (3964, 54808), (4216, 51532), (6448, 33694), (6851, 31712), (7072, 30721), (7928, 27404), (8432, 25766), (12883, 16864), (12896, 16847), (13702, 15856)]