25578105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 49102848

約数和(自身を除く): 23524743

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 71, 73, 105, 141, 213, 219, 235, 329, 355, 365, 497, 511, 705, 987, 1065, 1095, 1491, 1533, 1645, 2485, 2555, 3337, 3431, 4935, 5183, 7455, 7665, 10011, 10293, 15549, 16685, 17155, 23359, 24017, 25915, 36281, 50055, 51465, 70077, 72051, 77745, 108843, 116795, 120085, 181405, 243601, 350385, 360255, 544215, 730803, 1218005, 1705207, 3654015, 5115621, 8526035, 25578105]

約数ペア:

[(1, 25578105), (3, 8526035), (5, 5115621), (7, 3654015), (15, 1705207), (21, 1218005), (35, 730803), (47, 544215), (71, 360255), (73, 350385), (105, 243601), (141, 181405), (213, 120085), (219, 116795), (235, 108843), (329, 77745), (355, 72051), (365, 70077), (497, 51465), (511, 50055), (705, 36281), (987, 25915), (1065, 24017), (1095, 23359), (1491, 17155), (1533, 16685), (1645, 15549), (2485, 10293), (2555, 10011), (3337, 7665), (3431, 7455), (4935, 5183)]