1338312408

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:657

約数の個数: 128

約数和(自身を含む): 3631288320

約数和(自身を除く): 2292975912

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 31, 46, 62, 69, 92, 93, 124, 138, 184, 186, 197, 248, 276, 372, 394, 397, 552, 591, 713, 744, 788, 794, 1182, 1191, 1426, 1576, 1588, 2139, 2364, 2382, 2852, 3176, 4278, 4531, 4728, 4764, 5704, 6107, 8556, 9062, 9131, 9528, 12214, 12307, 13593, 17112, 18124, 18262, 18321, 24428, 24614, 27186, 27393, 36248, 36524, 36642, 36921, 48856, 49228, 54372, 54786, 73048, 73284, 73842, 78209, 98456, 108744, 109572, 140461, 146568, 147684, 156418, 219144, 234627, 280922, 283061, 295368, 312836, 421383, 469254, 561844, 566122, 625672, 842766, 849183, 938508, 1123688, 1132244, 1685532, 1698366, 1798807, 1877016, 2264488, 2424479, 3371064, 3396732, 3597614, 4848958, 5396421, 6793464, 7195228, 7273437, 9697916, 10792842, 14390456, 14546874, 19395832, 21585684, 29093748, 43171368, 55763017, 58187496, 111526034, 167289051, 223052068, 334578102, 446104136, 669156204, 1338312408]

約数ペア:

[(1, 1338312408), (2, 669156204), (3, 446104136), (4, 334578102), (6, 223052068), (8, 167289051), (12, 111526034), (23, 58187496), (24, 55763017), (31, 43171368), (46, 29093748), (62, 21585684), (69, 19395832), (92, 14546874), (93, 14390456), (124, 10792842), (138, 9697916), (184, 7273437), (186, 7195228), (197, 6793464), (248, 5396421), (276, 4848958), (372, 3597614), (394, 3396732), (397, 3371064), (552, 2424479), (591, 2264488), (713, 1877016), (744, 1798807), (788, 1698366), (794, 1685532), (1182, 1132244), (1191, 1123688), (1426, 938508), (1576, 849183), (1588, 842766), (2139, 625672), (2364, 566122), (2382, 561844), (2852, 469254), (3176, 421383), (4278, 312836), (4531, 295368), (4728, 283061), (4764, 280922), (5704, 234627), (6107, 219144), (8556, 156418), (9062, 147684), (9131, 146568), (9528, 140461), (12214, 109572), (12307, 108744), (13593, 98456), (17112, 78209), (18124, 73842), (18262, 73284), (18321, 73048), (24428, 54786), (24614, 54372), (27186, 49228), (27393, 48856), (36248, 36921), (36524, 36642)]