275281994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 474939360

約数和(自身を除く): 199657366

約数列:

[1, 2, 13, 19, 26, 38, 139, 211, 247, 278, 361, 422, 494, 722, 1807, 2641, 2743, 3614, 4009, 4693, 5282, 5486, 8018, 9386, 29329, 34333, 50179, 52117, 58658, 68666, 76171, 100358, 104234, 152342, 381277, 557251, 652327, 762554, 990223, 1114502, 1304654, 1980446, 7244263, 10587769, 14488526, 21175538, 137640997, 275281994]

約数ペア:

[(1, 275281994), (2, 137640997), (13, 21175538), (19, 14488526), (26, 10587769), (38, 7244263), (139, 1980446), (211, 1304654), (247, 1114502), (278, 990223), (361, 762554), (422, 652327), (494, 557251), (722, 381277), (1807, 152342), (2641, 104234), (2743, 100358), (3614, 76171), (4009, 68666), (4693, 58658), (5282, 52117), (5486, 50179), (8018, 34333), (9386, 29329)]