78282828

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{4289}}^1$

素因数の和:4328

約数の個数: 72

約数和(自身を含む): 219819600

約数和(自身を除く): 141536772

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 169, 234, 338, 351, 468, 507, 676, 702, 1014, 1404, 1521, 2028, 3042, 4289, 4563, 6084, 8578, 9126, 12867, 17156, 18252, 25734, 38601, 51468, 55757, 77202, 111514, 115803, 154404, 167271, 223028, 231606, 334542, 463212, 501813, 669084, 724841, 1003626, 1449682, 1505439, 2007252, 2174523, 2899364, 3010878, 4349046, 6021756, 6523569, 8698092, 13047138, 19570707, 26094276, 39141414, 78282828]

約数ペア:

[(1, 78282828), (2, 39141414), (3, 26094276), (4, 19570707), (6, 13047138), (9, 8698092), (12, 6523569), (13, 6021756), (18, 4349046), (26, 3010878), (27, 2899364), (36, 2174523), (39, 2007252), (52, 1505439), (54, 1449682), (78, 1003626), (108, 724841), (117, 669084), (156, 501813), (169, 463212), (234, 334542), (338, 231606), (351, 223028), (468, 167271), (507, 154404), (676, 115803), (702, 111514), (1014, 77202), (1404, 55757), (1521, 51468), (2028, 38601), (3042, 25734), (4289, 18252), (4563, 17156), (6084, 12867), (8578, 9126)]