25380705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 49029120

約数和(自身を除く): 23648415

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 47, 105, 111, 139, 141, 185, 235, 259, 329, 417, 555, 695, 705, 777, 973, 987, 1295, 1645, 1739, 2085, 2919, 3885, 4865, 4935, 5143, 5217, 6533, 8695, 12173, 14595, 15429, 19599, 25715, 26085, 32665, 36001, 36519, 45731, 60865, 77145, 97995, 108003, 137193, 180005, 182595, 228655, 241721, 540015, 685965, 725163, 1208605, 1692047, 3625815, 5076141, 8460235, 25380705]

約数ペア:

[(1, 25380705), (3, 8460235), (5, 5076141), (7, 3625815), (15, 1692047), (21, 1208605), (35, 725163), (37, 685965), (47, 540015), (105, 241721), (111, 228655), (139, 182595), (141, 180005), (185, 137193), (235, 108003), (259, 97995), (329, 77145), (417, 60865), (555, 45731), (695, 36519), (705, 36001), (777, 32665), (973, 26085), (987, 25715), (1295, 19599), (1645, 15429), (1739, 14595), (2085, 12173), (2919, 8695), (3885, 6533), (4865, 5217), (4935, 5143)]