25205994

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:264

約数の個数: 72

約数和(自身を含む): 61248096

約数和(自身を除く): 36042102

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 71, 99, 121, 142, 163, 198, 213, 242, 326, 363, 426, 489, 639, 726, 781, 978, 1089, 1278, 1467, 1562, 1793, 2178, 2343, 2934, 3586, 4686, 5379, 7029, 8591, 10758, 11573, 14058, 16137, 17182, 19723, 23146, 25773, 32274, 34719, 39446, 51546, 59169, 69438, 77319, 104157, 118338, 127303, 154638, 177507, 208314, 254606, 355014, 381909, 763818, 1145727, 1400333, 2291454, 2800666, 4200999, 8401998, 12602997, 25205994]

約数ペア:

[(1, 25205994), (2, 12602997), (3, 8401998), (6, 4200999), (9, 2800666), (11, 2291454), (18, 1400333), (22, 1145727), (33, 763818), (66, 381909), (71, 355014), (99, 254606), (121, 208314), (142, 177507), (163, 154638), (198, 127303), (213, 118338), (242, 104157), (326, 77319), (363, 69438), (426, 59169), (489, 51546), (639, 39446), (726, 34719), (781, 32274), (978, 25773), (1089, 23146), (1278, 19723), (1467, 17182), (1562, 16137), (1793, 14058), (2178, 11573), (2343, 10758), (2934, 8591), (3586, 7029), (4686, 5379)]