161716356

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:841

約数の個数: 72

約数和(自身を含む): 420323904

約数和(自身を除く): 258607548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 131, 159, 212, 262, 318, 393, 477, 524, 636, 647, 786, 954, 1179, 1294, 1572, 1908, 1941, 2358, 2588, 3882, 4716, 5823, 6943, 7764, 11646, 13886, 20829, 23292, 27772, 34291, 41658, 62487, 68582, 83316, 84757, 102873, 124974, 137164, 169514, 205746, 249948, 254271, 308619, 339028, 411492, 508542, 617238, 762813, 1017084, 1234476, 1525626, 3051252, 4492121, 8984242, 13476363, 17968484, 26952726, 40429089, 53905452, 80858178, 161716356]

約数ペア:

[(1, 161716356), (2, 80858178), (3, 53905452), (4, 40429089), (6, 26952726), (9, 17968484), (12, 13476363), (18, 8984242), (36, 4492121), (53, 3051252), (106, 1525626), (131, 1234476), (159, 1017084), (212, 762813), (262, 617238), (318, 508542), (393, 411492), (477, 339028), (524, 308619), (636, 254271), (647, 249948), (786, 205746), (954, 169514), (1179, 137164), (1294, 124974), (1572, 102873), (1908, 84757), (1941, 83316), (2358, 68582), (2588, 62487), (3882, 41658), (4716, 34291), (5823, 27772), (6943, 23292), (7764, 20829), (11646, 13886)]