66408290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 137894400

約数和(自身を除く): 71486110

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 151, 170, 199, 221, 302, 398, 442, 755, 995, 1105, 1510, 1963, 1990, 2210, 2567, 2587, 3383, 3926, 5134, 5174, 6766, 9815, 12835, 12935, 16915, 19630, 25670, 25870, 30049, 33371, 33830, 43979, 60098, 66742, 87958, 150245, 166855, 219895, 300490, 333710, 390637, 439790, 510833, 781274, 1021666, 1953185, 2554165, 3906370, 5108330, 6640829, 13281658, 33204145, 66408290]

約数ペア:

[(1, 66408290), (2, 33204145), (5, 13281658), (10, 6640829), (13, 5108330), (17, 3906370), (26, 2554165), (34, 1953185), (65, 1021666), (85, 781274), (130, 510833), (151, 439790), (170, 390637), (199, 333710), (221, 300490), (302, 219895), (398, 166855), (442, 150245), (755, 87958), (995, 66742), (1105, 60098), (1510, 43979), (1963, 33830), (1990, 33371), (2210, 30049), (2567, 25870), (2587, 25670), (3383, 19630), (3926, 16915), (5134, 12935), (5174, 12835), (6766, 9815)]