31672564

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 76640256

約数和(自身を除く): 44967692

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 23, 28, 34, 44, 46, 68, 77, 92, 119, 154, 161, 187, 238, 253, 263, 308, 322, 374, 391, 476, 506, 526, 644, 748, 782, 1012, 1052, 1309, 1564, 1771, 1841, 2618, 2737, 2893, 3542, 3682, 4301, 4471, 5236, 5474, 5786, 6049, 7084, 7364, 8602, 8942, 10948, 11572, 12098, 17204, 17884, 20251, 24196, 30107, 31297, 40502, 42343, 49181, 60214, 62594, 66539, 81004, 84686, 98362, 102833, 120428, 125188, 133078, 169372, 196724, 205666, 266156, 344267, 411332, 465773, 688534, 719831, 931546, 1131163, 1377068, 1439662, 1863092, 2262326, 2879324, 4524652, 7918141, 15836282, 31672564]

約数ペア:

[(1, 31672564), (2, 15836282), (4, 7918141), (7, 4524652), (11, 2879324), (14, 2262326), (17, 1863092), (22, 1439662), (23, 1377068), (28, 1131163), (34, 931546), (44, 719831), (46, 688534), (68, 465773), (77, 411332), (92, 344267), (119, 266156), (154, 205666), (161, 196724), (187, 169372), (238, 133078), (253, 125188), (263, 120428), (308, 102833), (322, 98362), (374, 84686), (391, 81004), (476, 66539), (506, 62594), (526, 60214), (644, 49181), (748, 42343), (782, 40502), (1012, 31297), (1052, 30107), (1309, 24196), (1564, 20251), (1771, 17884), (1841, 17204), (2618, 12098), (2737, 11572), (2893, 10948), (3542, 8942), (3682, 8602), (4301, 7364), (4471, 7084), (5236, 6049), (5474, 5786)]