209548664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 478094400

約数和(自身を除く): 268545736

約数列:

[1, 2, 4, 8, 13, 17, 26, 29, 34, 52, 58, 61, 67, 68, 104, 116, 122, 134, 136, 221, 232, 244, 268, 377, 442, 488, 493, 536, 754, 793, 871, 884, 986, 1037, 1139, 1508, 1586, 1742, 1768, 1769, 1943, 1972, 2074, 2278, 3016, 3172, 3484, 3538, 3886, 3944, 4087, 4148, 4556, 6344, 6409, 6968, 7076, 7772, 8174, 8296, 9112, 12818, 13481, 14152, 14807, 15544, 16348, 22997, 25259, 25636, 26962, 29614, 30073, 32696, 33031, 45994, 50518, 51272, 53131, 53924, 59228, 60146, 66062, 69479, 91988, 101036, 106262, 107848, 118456, 118523, 120292, 132124, 138958, 183976, 202072, 212524, 237046, 240584, 264248, 277916, 390949, 425048, 429403, 474092, 555832, 781898, 858806, 903227, 948184, 1540799, 1563796, 1717612, 1806454, 2014891, 3081598, 3127592, 3435224, 3612908, 4029782, 6163196, 7225816, 8059564, 12326392, 16119128, 26193583, 52387166, 104774332, 209548664]

約数ペア:

[(1, 209548664), (2, 104774332), (4, 52387166), (8, 26193583), (13, 16119128), (17, 12326392), (26, 8059564), (29, 7225816), (34, 6163196), (52, 4029782), (58, 3612908), (61, 3435224), (67, 3127592), (68, 3081598), (104, 2014891), (116, 1806454), (122, 1717612), (134, 1563796), (136, 1540799), (221, 948184), (232, 903227), (244, 858806), (268, 781898), (377, 555832), (442, 474092), (488, 429403), (493, 425048), (536, 390949), (754, 277916), (793, 264248), (871, 240584), (884, 237046), (986, 212524), (1037, 202072), (1139, 183976), (1508, 138958), (1586, 132124), (1742, 120292), (1768, 118523), (1769, 118456), (1943, 107848), (1972, 106262), (2074, 101036), (2278, 91988), (3016, 69479), (3172, 66062), (3484, 60146), (3538, 59228), (3886, 53924), (3944, 53131), (4087, 51272), (4148, 50518), (4556, 45994), (6344, 33031), (6409, 32696), (6968, 30073), (7076, 29614), (7772, 26962), (8174, 25636), (8296, 25259), (9112, 22997), (12818, 16348), (13481, 15544), (14152, 14807)]