2548778908

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{19139}}^1$

素因数の和:19366

約数の個数: 36

約数和(自身を含む): 4854631320

約数和(自身を除く): 2305852412

約数列:

[1, 2, 4, 13, 26, 52, 169, 197, 338, 394, 676, 788, 2561, 5122, 10244, 19139, 33293, 38278, 66586, 76556, 133172, 248807, 497614, 995228, 3234491, 3770383, 6468982, 7540766, 12937964, 15081532, 49014979, 98029958, 196059916, 637194727, 1274389454, 2548778908]

約数ペア:

[(1, 2548778908), (2, 1274389454), (4, 637194727), (13, 196059916), (26, 98029958), (52, 49014979), (169, 15081532), (197, 12937964), (338, 7540766), (394, 6468982), (676, 3770383), (788, 3234491), (2561, 995228), (5122, 497614), (10244, 248807), (19139, 133172), (33293, 76556), (38278, 66586)]