289578906

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{227}}^1\times {\mathrm{541}}^1$

素因数の和:907

約数の個数: 48

約数和(自身を含む): 636169248

約数和(自身を除く): 346590342

約数列:

[1, 2, 3, 6, 9, 18, 131, 227, 262, 393, 454, 541, 681, 786, 1082, 1179, 1362, 1623, 2043, 2358, 3246, 4086, 4869, 9738, 29737, 59474, 70871, 89211, 122807, 141742, 178422, 212613, 245614, 267633, 368421, 425226, 535266, 637839, 736842, 1105263, 1275678, 2210526, 16087717, 32175434, 48263151, 96526302, 144789453, 289578906]

約数ペア:

[(1, 289578906), (2, 144789453), (3, 96526302), (6, 48263151), (9, 32175434), (18, 16087717), (131, 2210526), (227, 1275678), (262, 1105263), (393, 736842), (454, 637839), (541, 535266), (681, 425226), (786, 368421), (1082, 267633), (1179, 245614), (1362, 212613), (1623, 178422), (2043, 141742), (2358, 122807), (3246, 89211), (4086, 70871), (4869, 59474), (9738, 29737)]