38923755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 71221248

約数和(自身を除く): 32297493

約数列:

[1, 3, 5, 13, 15, 31, 39, 47, 65, 93, 137, 141, 155, 195, 235, 403, 411, 465, 611, 685, 705, 1209, 1457, 1781, 1833, 2015, 2055, 3055, 4247, 4371, 5343, 6045, 6439, 7285, 8905, 9165, 12741, 18941, 19317, 21235, 21855, 26715, 32195, 55211, 56823, 63705, 83707, 94705, 96585, 165633, 199609, 251121, 276055, 284115, 418535, 598827, 828165, 998045, 1255605, 2594917, 2994135, 7784751, 12974585, 38923755]

約数ペア:

[(1, 38923755), (3, 12974585), (5, 7784751), (13, 2994135), (15, 2594917), (31, 1255605), (39, 998045), (47, 828165), (65, 598827), (93, 418535), (137, 284115), (141, 276055), (155, 251121), (195, 199609), (235, 165633), (403, 96585), (411, 94705), (465, 83707), (611, 63705), (685, 56823), (705, 55211), (1209, 32195), (1457, 26715), (1781, 21855), (1833, 21235), (2015, 19317), (2055, 18941), (3055, 12741), (4247, 9165), (4371, 8905), (5343, 7285), (6045, 6439)]