20171801165

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 25926912000

約数和(自身を除く): 5755110835

約数列:

[1, 5, 43, 59, 61, 131, 199, 215, 295, 305, 655, 995, 2537, 2623, 3599, 5633, 7729, 7991, 8557, 11741, 12139, 12685, 13115, 17995, 26069, 28165, 38645, 39955, 42785, 58705, 60695, 130345, 154757, 332347, 343613, 471469, 504863, 521977, 716201, 773785, 1120967, 1538071, 1590209, 1661735, 1718065, 2357345, 2524315, 2609885, 3581005, 5604835, 7690355, 7951045, 20273167, 30796643, 66137053, 68378987, 93822331, 101365835, 153983215, 330685265, 341894935, 469111655, 4034360233, 20171801165]

約数ペア:

[(1, 20171801165), (5, 4034360233), (43, 469111655), (59, 341894935), (61, 330685265), (131, 153983215), (199, 101365835), (215, 93822331), (295, 68378987), (305, 66137053), (655, 30796643), (995, 20273167), (2537, 7951045), (2623, 7690355), (3599, 5604835), (5633, 3581005), (7729, 2609885), (7991, 2524315), (8557, 2357345), (11741, 1718065), (12139, 1661735), (12685, 1590209), (13115, 1538071), (17995, 1120967), (26069, 773785), (28165, 716201), (38645, 521977), (39955, 504863), (42785, 471469), (58705, 343613), (60695, 332347), (130345, 154757)]