77920612

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 173687360

約数和(自身を除く): 95766748

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 109, 121, 154, 211, 218, 242, 308, 422, 436, 484, 763, 844, 847, 1199, 1477, 1526, 1694, 2321, 2398, 2954, 3052, 3388, 4642, 4796, 5908, 8393, 9284, 13189, 16247, 16786, 22999, 25531, 26378, 32494, 33572, 45998, 51062, 52756, 64988, 91996, 92323, 102124, 160993, 178717, 184646, 252989, 321986, 357434, 369292, 505978, 643972, 714868, 1011956, 1770923, 2782879, 3541846, 5565758, 7083692, 11131516, 19480153, 38960306, 77920612]

約数ペア:

[(1, 77920612), (2, 38960306), (4, 19480153), (7, 11131516), (11, 7083692), (14, 5565758), (22, 3541846), (28, 2782879), (44, 1770923), (77, 1011956), (109, 714868), (121, 643972), (154, 505978), (211, 369292), (218, 357434), (242, 321986), (308, 252989), (422, 184646), (436, 178717), (484, 160993), (763, 102124), (844, 92323), (847, 91996), (1199, 64988), (1477, 52756), (1526, 51062), (1694, 45998), (2321, 33572), (2398, 32494), (2954, 26378), (3052, 25531), (3388, 22999), (4642, 16786), (4796, 16247), (5908, 13189), (8393, 9284)]