220198517

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 283668480

約数和(自身を除く): 63469963

約数列:

[1, 7, 11, 53, 77, 79, 371, 553, 583, 683, 869, 4081, 4187, 4781, 6083, 7513, 29309, 36199, 46057, 52591, 53957, 253393, 322399, 377699, 398189, 593527, 2787323, 2859721, 4154689, 20018047, 31456931, 220198517]

約数ペア:

[(1, 220198517), (7, 31456931), (11, 20018047), (53, 4154689), (77, 2859721), (79, 2787323), (371, 593527), (553, 398189), (583, 377699), (683, 322399), (869, 253393), (4081, 53957), (4187, 52591), (4781, 46057), (6083, 36199), (7513, 29309)]