397012082012

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{782981}}^1$

素因数の和:783211

約数の個数: 72

約数和(自身を含む): 874747490400

約数和(自身を除く): 477735408388

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 199, 364, 398, 637, 796, 1274, 1393, 2548, 2587, 2786, 5174, 5572, 9751, 10348, 18109, 19502, 36218, 39004, 72436, 126763, 253526, 507052, 782981, 1565962, 3131924, 5480867, 10178753, 10961734, 20357506, 21923468, 38366069, 40715012, 71251271, 76732138, 142502542, 153464276, 155813219, 285005084, 311626438, 498758897, 623252876, 997517794, 1090692533, 1995035588, 2025571847, 2181385066, 4051143694, 4362770132, 7634847731, 8102287388, 14179002929, 15269695462, 28358005858, 30539390924, 56716011716, 99253020503, 198506041006, 397012082012]

約数ペア:

[(1, 397012082012), (2, 198506041006), (4, 99253020503), (7, 56716011716), (13, 30539390924), (14, 28358005858), (26, 15269695462), (28, 14179002929), (49, 8102287388), (52, 7634847731), (91, 4362770132), (98, 4051143694), (182, 2181385066), (196, 2025571847), (199, 1995035588), (364, 1090692533), (398, 997517794), (637, 623252876), (796, 498758897), (1274, 311626438), (1393, 285005084), (2548, 155813219), (2587, 153464276), (2786, 142502542), (5174, 76732138), (5572, 71251271), (9751, 40715012), (10348, 38366069), (18109, 21923468), (19502, 20357506), (36218, 10961734), (39004, 10178753), (72436, 5480867), (126763, 3131924), (253526, 1565962), (507052, 782981)]