71389318

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{211}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 145313280

約数和(自身を除く): 73923962

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 169, 182, 211, 286, 338, 422, 1001, 1183, 1477, 1859, 2002, 2197, 2321, 2366, 2743, 2954, 3718, 4394, 4642, 5486, 13013, 15379, 16247, 19201, 24167, 26026, 30173, 30758, 32494, 35659, 38402, 48334, 60346, 71318, 169169, 211211, 249613, 338338, 392249, 422422, 463567, 499226, 784498, 927134, 2745743, 3244969, 5099237, 5491486, 6489938, 10198474, 35694659, 71389318]

約数ペア:

[(1, 71389318), (2, 35694659), (7, 10198474), (11, 6489938), (13, 5491486), (14, 5099237), (22, 3244969), (26, 2745743), (77, 927134), (91, 784498), (143, 499226), (154, 463567), (169, 422422), (182, 392249), (211, 338338), (286, 249613), (338, 211211), (422, 169169), (1001, 71318), (1183, 60346), (1477, 48334), (1859, 38402), (2002, 35659), (2197, 32494), (2321, 30758), (2366, 30173), (2743, 26026), (2954, 24167), (3718, 19201), (4394, 16247), (4642, 15379), (5486, 13013)]