86638630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:433

約数の個数: 64

約数和(自身を含む): 179625600

約数和(自身を除く): 92986970

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 197, 199, 221, 394, 398, 442, 985, 995, 1105, 1970, 1990, 2210, 2561, 2587, 3349, 3383, 5122, 5174, 6698, 6766, 12805, 12935, 16745, 16915, 25610, 25870, 33490, 33830, 39203, 43537, 43979, 78406, 87074, 87958, 196015, 217685, 219895, 392030, 435370, 439790, 509639, 666451, 1019278, 1332902, 2548195, 3332255, 5096390, 6664510, 8663863, 17327726, 43319315, 86638630]

約数ペア:

[(1, 86638630), (2, 43319315), (5, 17327726), (10, 8663863), (13, 6664510), (17, 5096390), (26, 3332255), (34, 2548195), (65, 1332902), (85, 1019278), (130, 666451), (170, 509639), (197, 439790), (199, 435370), (221, 392030), (394, 219895), (398, 217685), (442, 196015), (985, 87958), (995, 87074), (1105, 78406), (1970, 43979), (1990, 43537), (2210, 39203), (2561, 33830), (2587, 33490), (3349, 25870), (3383, 25610), (5122, 16915), (5174, 16745), (6698, 12935), (6766, 12805)]