64198370

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1361}}^1$

素因数の和:1510

約数の個数: 32

約数和(自身を含む): 119147760

約数和(自身を除く): 54949390

約数列:

[1, 2, 5, 10, 53, 89, 106, 178, 265, 445, 530, 890, 1361, 2722, 4717, 6805, 9434, 13610, 23585, 47170, 72133, 121129, 144266, 242258, 360665, 605645, 721330, 1211290, 6419837, 12839674, 32099185, 64198370]

約数ペア:

[(1, 64198370), (2, 32099185), (5, 12839674), (10, 6419837), (53, 1211290), (89, 721330), (106, 605645), (178, 360665), (265, 242258), (445, 144266), (530, 121129), (890, 72133), (1361, 47170), (2722, 23585), (4717, 13610), (6805, 9434)]