245996835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 461875200

約数和(自身を除く): 215878365

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 193, 199, 305, 427, 579, 597, 915, 965, 995, 1281, 1351, 1393, 2135, 2895, 2985, 4053, 4179, 6405, 6755, 6965, 11773, 12139, 20265, 20895, 35319, 36417, 38407, 58865, 60695, 82411, 84973, 115221, 176595, 182085, 192035, 247233, 254919, 268849, 412055, 424865, 576105, 806547, 1236165, 1274595, 1344245, 2342827, 4032735, 7028481, 11714135, 16399789, 35142405, 49199367, 81998945, 245996835]

約数ペア:

[(1, 245996835), (3, 81998945), (5, 49199367), (7, 35142405), (15, 16399789), (21, 11714135), (35, 7028481), (61, 4032735), (105, 2342827), (183, 1344245), (193, 1274595), (199, 1236165), (305, 806547), (427, 576105), (579, 424865), (597, 412055), (915, 268849), (965, 254919), (995, 247233), (1281, 192035), (1351, 182085), (1393, 176595), (2135, 115221), (2895, 84973), (2985, 82411), (4053, 60695), (4179, 58865), (6405, 38407), (6755, 36417), (6965, 35319), (11773, 20895), (12139, 20265)]