28579278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3079}}^1$

素因数の和:3121

約数の個数: 64

約数和(自身を含む): 74511360

約数和(自身を除く): 45932082

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 182, 221, 238, 273, 357, 442, 546, 663, 714, 1326, 1547, 3079, 3094, 4641, 6158, 9237, 9282, 18474, 21553, 40027, 43106, 52343, 64659, 80054, 104686, 120081, 129318, 157029, 240162, 280189, 314058, 366401, 560378, 680459, 732802, 840567, 1099203, 1360918, 1681134, 2041377, 2198406, 4082754, 4763213, 9526426, 14289639, 28579278]

約数ペア:

[(1, 28579278), (2, 14289639), (3, 9526426), (6, 4763213), (7, 4082754), (13, 2198406), (14, 2041377), (17, 1681134), (21, 1360918), (26, 1099203), (34, 840567), (39, 732802), (42, 680459), (51, 560378), (78, 366401), (91, 314058), (102, 280189), (119, 240162), (182, 157029), (221, 129318), (238, 120081), (273, 104686), (357, 80054), (442, 64659), (546, 52343), (663, 43106), (714, 40027), (1326, 21553), (1547, 18474), (3079, 9282), (3094, 9237), (4641, 6158)]