31378048

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 68329800

約数和(自身を除く): 36951752

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 109, 128, 173, 208, 218, 346, 416, 436, 692, 832, 872, 1384, 1417, 1664, 1744, 2249, 2768, 2834, 3488, 4498, 5536, 5668, 6976, 8996, 11072, 11336, 13952, 17992, 18857, 22144, 22672, 35984, 37714, 45344, 71968, 75428, 90688, 143936, 150856, 181376, 245141, 287872, 301712, 490282, 603424, 980564, 1206848, 1961128, 2413696, 3922256, 7844512, 15689024, 31378048]

約数ペア:

[(1, 31378048), (2, 15689024), (4, 7844512), (8, 3922256), (13, 2413696), (16, 1961128), (26, 1206848), (32, 980564), (52, 603424), (64, 490282), (104, 301712), (109, 287872), (128, 245141), (173, 181376), (208, 150856), (218, 143936), (346, 90688), (416, 75428), (436, 71968), (692, 45344), (832, 37714), (872, 35984), (1384, 22672), (1417, 22144), (1664, 18857), (1744, 17992), (2249, 13952), (2768, 11336), (2834, 11072), (3488, 8996), (4498, 6976), (5536, 5668)]