30721496

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{733}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 64474560

約数和(自身を除く): 33753064

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 169, 248, 338, 403, 676, 733, 806, 1352, 1466, 1612, 2932, 3224, 5239, 5864, 9529, 10478, 19058, 20956, 22723, 38116, 41912, 45446, 76232, 90892, 123877, 181784, 247754, 295399, 495508, 590798, 991016, 1181596, 2363192, 3840187, 7680374, 15360748, 30721496]

約数ペア:

[(1, 30721496), (2, 15360748), (4, 7680374), (8, 3840187), (13, 2363192), (26, 1181596), (31, 991016), (52, 590798), (62, 495508), (104, 295399), (124, 247754), (169, 181784), (248, 123877), (338, 90892), (403, 76232), (676, 45446), (733, 41912), (806, 38116), (1352, 22723), (1466, 20956), (1612, 19058), (2932, 10478), (3224, 9529), (5239, 5864)]