171394288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1470

約数の個数: 80

約数和(自身を含む): 388864000

約数和(自身を除く): 217469712

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 494, 496, 589, 806, 988, 1178, 1399, 1612, 1976, 2356, 2798, 3224, 3952, 4712, 5596, 6448, 7657, 9424, 11192, 15314, 18187, 22384, 26581, 30628, 36374, 43369, 53162, 61256, 72748, 86738, 106324, 122512, 145496, 173476, 212648, 290992, 345553, 346952, 425296, 563797, 691106, 693904, 824011, 1127594, 1382212, 1648022, 2255188, 2764424, 3296044, 4510376, 5528848, 6592088, 9020752, 10712143, 13184176, 21424286, 42848572, 85697144, 171394288]

約数ペア:

[(1, 171394288), (2, 85697144), (4, 42848572), (8, 21424286), (13, 13184176), (16, 10712143), (19, 9020752), (26, 6592088), (31, 5528848), (38, 4510376), (52, 3296044), (62, 2764424), (76, 2255188), (104, 1648022), (124, 1382212), (152, 1127594), (208, 824011), (247, 693904), (248, 691106), (304, 563797), (403, 425296), (494, 346952), (496, 345553), (589, 290992), (806, 212648), (988, 173476), (1178, 145496), (1399, 122512), (1612, 106324), (1976, 86738), (2356, 72748), (2798, 61256), (3224, 53162), (3952, 43369), (4712, 36374), (5596, 30628), (6448, 26581), (7657, 22384), (9424, 18187), (11192, 15314)]