6420388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 12870144

約数和(自身を除く): 6449756

約数列:

[1, 2, 4, 13, 26, 37, 47, 52, 71, 74, 94, 142, 148, 188, 284, 481, 611, 923, 962, 1222, 1739, 1846, 1924, 2444, 2627, 3337, 3478, 3692, 5254, 6674, 6956, 10508, 13348, 22607, 34151, 43381, 45214, 68302, 86762, 90428, 123469, 136604, 173524, 246938, 493876, 1605097, 3210194, 6420388]

約数ペア:

[(1, 6420388), (2, 3210194), (4, 1605097), (13, 493876), (26, 246938), (37, 173524), (47, 136604), (52, 123469), (71, 90428), (74, 86762), (94, 68302), (142, 45214), (148, 43381), (188, 34151), (284, 22607), (481, 13348), (611, 10508), (923, 6956), (962, 6674), (1222, 5254), (1739, 3692), (1846, 3478), (1924, 3337), (2444, 2627)]