820638

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 2257920

約数和(自身を除く): 1437282

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 167, 182, 189, 234, 273, 334, 351, 378, 501, 546, 702, 819, 1002, 1169, 1503, 1638, 2171, 2338, 2457, 3006, 3507, 4342, 4509, 4914, 6513, 7014, 9018, 10521, 13026, 15197, 19539, 21042, 30394, 31563, 39078, 45591, 58617, 63126, 91182, 117234, 136773, 273546, 410319, 820638]

約数ペア:

[(1, 820638), (2, 410319), (3, 273546), (6, 136773), (7, 117234), (9, 91182), (13, 63126), (14, 58617), (18, 45591), (21, 39078), (26, 31563), (27, 30394), (39, 21042), (42, 19539), (54, 15197), (63, 13026), (78, 10521), (91, 9018), (117, 7014), (126, 6513), (167, 4914), (182, 4509), (189, 4342), (234, 3507), (273, 3006), (334, 2457), (351, 2338), (378, 2171), (501, 1638), (546, 1503), (702, 1169), (819, 1002)]