25918956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{631}}^1$

素因数の和:811

約数の個数: 72

約数和(自身を含む): 75455744

約数和(自身を除く): 49536788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 163, 252, 326, 489, 631, 652, 978, 1141, 1262, 1467, 1893, 1956, 2282, 2524, 2934, 3423, 3786, 4417, 4564, 5679, 5868, 6846, 7572, 8834, 10269, 11358, 13251, 13692, 17668, 20538, 22716, 26502, 39753, 41076, 53004, 79506, 102853, 159012, 205706, 308559, 411412, 617118, 719971, 925677, 1234236, 1439942, 1851354, 2159913, 2879884, 3702708, 4319826, 6479739, 8639652, 12959478, 25918956]

約数ペア:

[(1, 25918956), (2, 12959478), (3, 8639652), (4, 6479739), (6, 4319826), (7, 3702708), (9, 2879884), (12, 2159913), (14, 1851354), (18, 1439942), (21, 1234236), (28, 925677), (36, 719971), (42, 617118), (63, 411412), (84, 308559), (126, 205706), (163, 159012), (252, 102853), (326, 79506), (489, 53004), (631, 41076), (652, 39753), (978, 26502), (1141, 22716), (1262, 20538), (1467, 17668), (1893, 13692), (1956, 13251), (2282, 11358), (2524, 10269), (2934, 8834), (3423, 7572), (3786, 6846), (4417, 5868), (4564, 5679)]