28234518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 37083882

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 107, 199, 214, 221, 321, 398, 442, 597, 642, 663, 1194, 1326, 1391, 1819, 2587, 2782, 3383, 3638, 4173, 5174, 5457, 6766, 7761, 8346, 10149, 10914, 15522, 20298, 21293, 23647, 42586, 43979, 47294, 63879, 70941, 87958, 127758, 131937, 141882, 263874, 276809, 361981, 553618, 723962, 830427, 1085943, 1660854, 2171886, 4705753, 9411506, 14117259, 28234518]

約数ペア:

[(1, 28234518), (2, 14117259), (3, 9411506), (6, 4705753), (13, 2171886), (17, 1660854), (26, 1085943), (34, 830427), (39, 723962), (51, 553618), (78, 361981), (102, 276809), (107, 263874), (199, 141882), (214, 131937), (221, 127758), (321, 87958), (398, 70941), (442, 63879), (597, 47294), (642, 43979), (663, 42586), (1194, 23647), (1326, 21293), (1391, 20298), (1819, 15522), (2587, 10914), (2782, 10149), (3383, 8346), (3638, 7761), (4173, 6766), (5174, 5457)]