257079342

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{106319}}^1$

素因数の和:106368

約数の個数: 32

約数和(自身を含む): 571576320

約数和(自身を除く): 314496978

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 106319, 212638, 318957, 637914, 1382147, 2764294, 3295889, 4146441, 6591778, 8292882, 9887667, 19775334, 42846557, 85693114, 128539671, 257079342]

約数ペア:

[(1, 257079342), (2, 128539671), (3, 85693114), (6, 42846557), (13, 19775334), (26, 9887667), (31, 8292882), (39, 6591778), (62, 4146441), (78, 3295889), (93, 2764294), (186, 1382147), (403, 637914), (806, 318957), (1209, 212638), (2418, 106319)]