219880154

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 360655680

約数和(自身を除く): 140775526

約数列:

[1, 2, 13, 26, 163, 169, 307, 326, 338, 614, 2119, 2197, 3991, 4238, 4394, 7982, 27547, 50041, 51883, 55094, 100082, 103766, 358111, 650533, 674479, 716222, 1301066, 1348958, 8456929, 16913858, 109940077, 219880154]

約数ペア:

[(1, 219880154), (2, 109940077), (13, 16913858), (26, 8456929), (163, 1348958), (169, 1301066), (307, 716222), (326, 674479), (338, 650533), (614, 358111), (2119, 103766), (2197, 100082), (3991, 55094), (4238, 51883), (4394, 50041), (7982, 27547)]