25373985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:698

約数の個数: 64

約数和(自身を含む): 51770880

約数和(自身を除く): 26396895

約数列:

[1, 3, 5, 7, 13, 15, 21, 29, 35, 39, 65, 87, 91, 105, 145, 195, 203, 273, 377, 435, 455, 609, 641, 1015, 1131, 1365, 1885, 1923, 2639, 3045, 3205, 4487, 5655, 7917, 8333, 9615, 13195, 13461, 18589, 22435, 24999, 39585, 41665, 55767, 58331, 67305, 92945, 124995, 130123, 174993, 241657, 278835, 291655, 390369, 650615, 724971, 874965, 1208285, 1691599, 1951845, 3624855, 5074797, 8457995, 25373985]

約数ペア:

[(1, 25373985), (3, 8457995), (5, 5074797), (7, 3624855), (13, 1951845), (15, 1691599), (21, 1208285), (29, 874965), (35, 724971), (39, 650615), (65, 390369), (87, 291655), (91, 278835), (105, 241657), (145, 174993), (195, 130123), (203, 124995), (273, 92945), (377, 67305), (435, 58331), (455, 55767), (609, 41665), (641, 39585), (1015, 24999), (1131, 22435), (1365, 18589), (1885, 13461), (1923, 13195), (2639, 9615), (3045, 8333), (3205, 7917), (4487, 5655)]