25739385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 24027015

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 79, 87, 105, 107, 145, 203, 237, 321, 395, 435, 535, 553, 609, 749, 1015, 1185, 1605, 1659, 2247, 2291, 2765, 3045, 3103, 3745, 6873, 8295, 8453, 9309, 11235, 11455, 15515, 16037, 21721, 25359, 34365, 42265, 46545, 48111, 59171, 65163, 80185, 108605, 126795, 177513, 240555, 245137, 295855, 325815, 735411, 887565, 1225685, 1715959, 3677055, 5147877, 8579795, 25739385]

約数ペア:

[(1, 25739385), (3, 8579795), (5, 5147877), (7, 3677055), (15, 1715959), (21, 1225685), (29, 887565), (35, 735411), (79, 325815), (87, 295855), (105, 245137), (107, 240555), (145, 177513), (203, 126795), (237, 108605), (321, 80185), (395, 65163), (435, 59171), (535, 48111), (553, 46545), (609, 42265), (749, 34365), (1015, 25359), (1185, 21721), (1605, 16037), (1659, 15515), (2247, 11455), (2291, 11235), (2765, 9309), (3045, 8453), (3103, 8295), (3745, 6873)]