87868508

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:667

約数の個数: 72

約数和(自身を含む): 196761600

約数和(自身を除く): 108893092

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 169, 182, 217, 338, 364, 403, 434, 599, 676, 806, 868, 1183, 1198, 1612, 2366, 2396, 2821, 4193, 4732, 5239, 5642, 7787, 8386, 10478, 11284, 15574, 16772, 18569, 20956, 31148, 36673, 37138, 54509, 73346, 74276, 101231, 109018, 129983, 146692, 202462, 218036, 241397, 259966, 404924, 482794, 519932, 708617, 965588, 1417234, 1689779, 2834468, 3138161, 3379558, 6276322, 6759116, 12552644, 21967127, 43934254, 87868508]

約数ペア:

[(1, 87868508), (2, 43934254), (4, 21967127), (7, 12552644), (13, 6759116), (14, 6276322), (26, 3379558), (28, 3138161), (31, 2834468), (52, 1689779), (62, 1417234), (91, 965588), (124, 708617), (169, 519932), (182, 482794), (217, 404924), (338, 259966), (364, 241397), (403, 218036), (434, 202462), (599, 146692), (676, 129983), (806, 109018), (868, 101231), (1183, 74276), (1198, 73346), (1612, 54509), (2366, 37138), (2396, 36673), (2821, 31148), (4193, 20956), (4732, 18569), (5239, 16772), (5642, 15574), (7787, 11284), (8386, 10478)]