15721727714

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{14897}}^1$

素因数の和:15024

約数の個数: 72

約数和(自身を含む): 30494269260

約数和(自身を除く): 14772541546

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 89, 98, 121, 154, 178, 242, 539, 623, 847, 979, 1078, 1246, 1694, 1958, 4361, 5929, 6853, 8722, 10769, 11858, 13706, 14897, 21538, 29794, 47971, 75383, 95942, 104279, 150766, 163867, 208558, 327734, 527681, 729953, 1055362, 1147069, 1325833, 1459906, 1802537, 2294138, 2651666, 3605074, 8029483, 9280831, 12617759, 14584163, 16058966, 18561662, 25235518, 29168326, 64965817, 88324313, 102089141, 129931634, 160425793, 176648626, 204178282, 320851586, 714623987, 1122980551, 1429247974, 2245961102, 7860863857, 15721727714]

約数ペア:

[(1, 15721727714), (2, 7860863857), (7, 2245961102), (11, 1429247974), (14, 1122980551), (22, 714623987), (49, 320851586), (77, 204178282), (89, 176648626), (98, 160425793), (121, 129931634), (154, 102089141), (178, 88324313), (242, 64965817), (539, 29168326), (623, 25235518), (847, 18561662), (979, 16058966), (1078, 14584163), (1246, 12617759), (1694, 9280831), (1958, 8029483), (4361, 3605074), (5929, 2651666), (6853, 2294138), (8722, 1802537), (10769, 1459906), (11858, 1325833), (13706, 1147069), (14897, 1055362), (21538, 729953), (29794, 527681), (47971, 327734), (75383, 208558), (95942, 163867), (104279, 150766)]