199953728

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:320

約数の個数: 112

約数和(自身を含む): 461369664

約数和(自身を除く): 261415936

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 67, 68, 104, 134, 136, 208, 211, 221, 268, 272, 416, 422, 442, 536, 544, 832, 844, 871, 884, 1072, 1088, 1139, 1688, 1742, 1768, 2144, 2278, 2743, 3376, 3484, 3536, 3587, 4288, 4556, 5486, 6752, 6968, 7072, 7174, 9112, 10972, 13504, 13936, 14137, 14144, 14348, 14807, 18224, 21944, 27872, 28274, 28696, 29614, 36448, 43888, 46631, 55744, 56548, 57392, 59228, 72896, 87776, 93262, 113096, 114784, 118456, 175552, 183781, 186524, 226192, 229568, 236912, 240329, 367562, 373048, 452384, 473824, 480658, 735124, 746096, 904768, 947648, 961316, 1470248, 1492192, 1922632, 2940496, 2984384, 3124277, 3845264, 5880992, 6248554, 7690528, 11761984, 12497108, 15381056, 24994216, 49988432, 99976864, 199953728]

約数ペア:

[(1, 199953728), (2, 99976864), (4, 49988432), (8, 24994216), (13, 15381056), (16, 12497108), (17, 11761984), (26, 7690528), (32, 6248554), (34, 5880992), (52, 3845264), (64, 3124277), (67, 2984384), (68, 2940496), (104, 1922632), (134, 1492192), (136, 1470248), (208, 961316), (211, 947648), (221, 904768), (268, 746096), (272, 735124), (416, 480658), (422, 473824), (442, 452384), (536, 373048), (544, 367562), (832, 240329), (844, 236912), (871, 229568), (884, 226192), (1072, 186524), (1088, 183781), (1139, 175552), (1688, 118456), (1742, 114784), (1768, 113096), (2144, 93262), (2278, 87776), (2743, 72896), (3376, 59228), (3484, 57392), (3536, 56548), (3587, 55744), (4288, 46631), (4556, 43888), (5486, 36448), (6752, 29614), (6968, 28696), (7072, 28274), (7174, 27872), (9112, 21944), (10972, 18224), (13504, 14807), (13936, 14348), (14137, 14144)]