8240388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{523}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 20951616

約数和(自身を除く): 12711228

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 101, 156, 202, 303, 404, 523, 606, 1046, 1212, 1313, 1569, 2092, 2626, 3138, 3939, 5252, 6276, 6799, 7878, 13598, 15756, 20397, 27196, 40794, 52823, 81588, 105646, 158469, 211292, 316938, 633876, 686699, 1373398, 2060097, 2746796, 4120194, 8240388]

約数ペア:

[(1, 8240388), (2, 4120194), (3, 2746796), (4, 2060097), (6, 1373398), (12, 686699), (13, 633876), (26, 316938), (39, 211292), (52, 158469), (78, 105646), (101, 81588), (156, 52823), (202, 40794), (303, 27196), (404, 20397), (523, 15756), (606, 13598), (1046, 7878), (1212, 6799), (1313, 6276), (1569, 5252), (2092, 3939), (2626, 3138)]