25359908

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{653}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 54203520

約数和(自身を除く): 28843612

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 73, 76, 133, 146, 266, 292, 511, 532, 653, 1022, 1306, 1387, 2044, 2612, 2774, 4571, 5548, 9142, 9709, 12407, 18284, 19418, 24814, 38836, 47669, 49628, 86849, 95338, 173698, 190676, 333683, 347396, 667366, 905711, 1334732, 1811422, 3622844, 6339977, 12679954, 25359908]

約数ペア:

[(1, 25359908), (2, 12679954), (4, 6339977), (7, 3622844), (14, 1811422), (19, 1334732), (28, 905711), (38, 667366), (73, 347396), (76, 333683), (133, 190676), (146, 173698), (266, 95338), (292, 86849), (511, 49628), (532, 47669), (653, 38836), (1022, 24814), (1306, 19418), (1387, 18284), (2044, 12407), (2612, 9709), (2774, 9142), (4571, 5548)]