155456488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 326592000

約数和(自身を除く): 171135512

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 139, 142, 179, 278, 284, 358, 556, 568, 716, 781, 1112, 1432, 1529, 1562, 1969, 3058, 3124, 3938, 6116, 6248, 7876, 9869, 12232, 12709, 15752, 19738, 24881, 25418, 39476, 49762, 50836, 78952, 99524, 101672, 108559, 139799, 199048, 217118, 273691, 279598, 434236, 547382, 559196, 868472, 1094764, 1118392, 1766551, 2189528, 3533102, 7066204, 14132408, 19432061, 38864122, 77728244, 155456488]

約数ペア:

[(1, 155456488), (2, 77728244), (4, 38864122), (8, 19432061), (11, 14132408), (22, 7066204), (44, 3533102), (71, 2189528), (88, 1766551), (139, 1118392), (142, 1094764), (179, 868472), (278, 559196), (284, 547382), (358, 434236), (556, 279598), (568, 273691), (716, 217118), (781, 199048), (1112, 139799), (1432, 108559), (1529, 101672), (1562, 99524), (1969, 78952), (3058, 50836), (3124, 49762), (3938, 39476), (6116, 25418), (6248, 24881), (7876, 19738), (9869, 15752), (12232, 12709)]