25109172

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 69844320

約数和(自身を除く): 44735148

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 163, 198, 326, 389, 396, 489, 652, 778, 978, 1167, 1467, 1556, 1793, 1956, 2334, 2934, 3501, 3586, 4279, 4668, 5379, 5868, 7002, 7172, 8558, 10758, 12837, 14004, 16137, 17116, 21516, 25674, 32274, 38511, 51348, 63407, 64548, 77022, 126814, 154044, 190221, 253628, 380442, 570663, 697477, 760884, 1141326, 1394954, 2092431, 2282652, 2789908, 4184862, 6277293, 8369724, 12554586, 25109172]

約数ペア:

[(1, 25109172), (2, 12554586), (3, 8369724), (4, 6277293), (6, 4184862), (9, 2789908), (11, 2282652), (12, 2092431), (18, 1394954), (22, 1141326), (33, 760884), (36, 697477), (44, 570663), (66, 380442), (99, 253628), (132, 190221), (163, 154044), (198, 126814), (326, 77022), (389, 64548), (396, 63407), (489, 51348), (652, 38511), (778, 32274), (978, 25674), (1167, 21516), (1467, 17116), (1556, 16137), (1793, 14004), (1956, 12837), (2334, 10758), (2934, 8558), (3501, 7172), (3586, 7002), (4279, 5868), (4668, 5379)]