128712496

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{761}}^1$

素因数の和:842

約数の個数: 60

約数和(自身を含む): 281479752

約数和(自身を除く): 152767256

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 761, 961, 1364, 1522, 1922, 2728, 3044, 3844, 5456, 6088, 7688, 8371, 10571, 12176, 15376, 16742, 21142, 23591, 33484, 42284, 47182, 66968, 84568, 94364, 133936, 169136, 188728, 259501, 377456, 519002, 731321, 1038004, 1462642, 2076008, 2925284, 4152016, 5850568, 8044531, 11701136, 16089062, 32178124, 64356248, 128712496]

約数ペア:

[(1, 128712496), (2, 64356248), (4, 32178124), (8, 16089062), (11, 11701136), (16, 8044531), (22, 5850568), (31, 4152016), (44, 2925284), (62, 2076008), (88, 1462642), (124, 1038004), (176, 731321), (248, 519002), (341, 377456), (496, 259501), (682, 188728), (761, 169136), (961, 133936), (1364, 94364), (1522, 84568), (1922, 66968), (2728, 47182), (3044, 42284), (3844, 33484), (5456, 23591), (6088, 21142), (7688, 16742), (8371, 15376), (10571, 12176)]