669292

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 1288112

約数和(自身を除く): 618820

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 211, 244, 422, 793, 844, 1586, 2743, 3172, 5486, 10972, 12871, 25742, 51484, 167323, 334646, 669292]

約数ペア:

[(1, 669292), (2, 334646), (4, 167323), (13, 51484), (26, 25742), (52, 12871), (61, 10972), (122, 5486), (211, 3172), (244, 2743), (422, 1586), (793, 844)]