137639008

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:888

約数の個数: 72

約数和(自身を含む): 303258816

約数和(自身を除く): 165619808

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 169, 208, 248, 338, 403, 416, 496, 676, 806, 821, 992, 1352, 1612, 1642, 2704, 3224, 3284, 5239, 5408, 6448, 6568, 10478, 10673, 12896, 13136, 20956, 21346, 25451, 26272, 41912, 42692, 50902, 83824, 85384, 101804, 138749, 167648, 170768, 203608, 277498, 330863, 341536, 407216, 554996, 661726, 814432, 1109992, 1323452, 2219984, 2646904, 4301219, 4439968, 5293808, 8602438, 10587616, 17204876, 34409752, 68819504, 137639008]

約数ペア:

[(1, 137639008), (2, 68819504), (4, 34409752), (8, 17204876), (13, 10587616), (16, 8602438), (26, 5293808), (31, 4439968), (32, 4301219), (52, 2646904), (62, 2219984), (104, 1323452), (124, 1109992), (169, 814432), (208, 661726), (248, 554996), (338, 407216), (403, 341536), (416, 330863), (496, 277498), (676, 203608), (806, 170768), (821, 167648), (992, 138749), (1352, 101804), (1612, 85384), (1642, 83824), (2704, 50902), (3224, 42692), (3284, 41912), (5239, 26272), (5408, 25451), (6448, 21346), (6568, 20956), (10478, 13136), (10673, 12896)]