261979016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3533}}^1$

素因数の和:3606

約数の個数: 64

約数和(自身を含む): 569963520

約数和(自身を除く): 307984504

約数列:

[1, 2, 4, 8, 13, 23, 26, 31, 46, 52, 62, 92, 104, 124, 184, 248, 299, 403, 598, 713, 806, 1196, 1426, 1612, 2392, 2852, 3224, 3533, 5704, 7066, 9269, 14132, 18538, 28264, 37076, 45929, 74152, 81259, 91858, 109523, 162518, 183716, 219046, 325036, 367432, 438092, 650072, 876184, 1056367, 1423799, 2112734, 2519029, 2847598, 4225468, 5038058, 5695196, 8450936, 10076116, 11390392, 20152232, 32747377, 65494754, 130989508, 261979016]

約数ペア:

[(1, 261979016), (2, 130989508), (4, 65494754), (8, 32747377), (13, 20152232), (23, 11390392), (26, 10076116), (31, 8450936), (46, 5695196), (52, 5038058), (62, 4225468), (92, 2847598), (104, 2519029), (124, 2112734), (184, 1423799), (248, 1056367), (299, 876184), (403, 650072), (598, 438092), (713, 367432), (806, 325036), (1196, 219046), (1426, 183716), (1612, 162518), (2392, 109523), (2852, 91858), (3224, 81259), (3533, 74152), (5704, 45929), (7066, 37076), (9269, 28264), (14132, 18538)]