1236694784

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21859}}^1$

素因数の和:21905

約数の個数: 72

約数和(自身を含む): 2814955920

約数和(自身を除く): 1578261136

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 416, 442, 544, 832, 884, 1088, 1664, 1768, 2176, 3328, 3536, 4352, 7072, 14144, 21859, 28288, 43718, 56576, 87436, 174872, 284167, 349744, 371603, 568334, 699488, 743206, 1136668, 1398976, 1486412, 2273336, 2797952, 2972824, 4546672, 4830839, 5595904, 5945648, 9093344, 9661678, 11891296, 18186688, 19323356, 23782592, 36373376, 38646712, 47565184, 72746752, 77293424, 95130368, 154586848, 309173696, 618347392, 1236694784]

約数ペア:

[(1, 1236694784), (2, 618347392), (4, 309173696), (8, 154586848), (13, 95130368), (16, 77293424), (17, 72746752), (26, 47565184), (32, 38646712), (34, 36373376), (52, 23782592), (64, 19323356), (68, 18186688), (104, 11891296), (128, 9661678), (136, 9093344), (208, 5945648), (221, 5595904), (256, 4830839), (272, 4546672), (416, 2972824), (442, 2797952), (544, 2273336), (832, 1486412), (884, 1398976), (1088, 1136668), (1664, 743206), (1768, 699488), (2176, 568334), (3328, 371603), (3536, 349744), (4352, 284167), (7072, 174872), (14144, 87436), (21859, 56576), (28288, 43718)]