71313116

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 146200320

約数和(自身を除く): 74887204

約数列:

[1, 2, 4, 7, 14, 28, 73, 139, 146, 251, 278, 292, 502, 511, 556, 973, 1004, 1022, 1757, 1946, 2044, 3514, 3892, 7028, 10147, 18323, 20294, 34889, 36646, 40588, 69778, 71029, 73292, 128261, 139556, 142058, 244223, 256522, 284116, 488446, 513044, 976892, 2546897, 5093794, 10187588, 17828279, 35656558, 71313116]

約数ペア:

[(1, 71313116), (2, 35656558), (4, 17828279), (7, 10187588), (14, 5093794), (28, 2546897), (73, 976892), (139, 513044), (146, 488446), (251, 284116), (278, 256522), (292, 244223), (502, 142058), (511, 139556), (556, 128261), (973, 73292), (1004, 71029), (1022, 69778), (1757, 40588), (1946, 36646), (2044, 34889), (3514, 20294), (3892, 18323), (7028, 10147)]