128929372

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:731

約数の個数: 72

約数和(自身を含む): 276112256

約数和(自身を除く): 147182884

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 121, 124, 143, 242, 286, 341, 403, 484, 572, 661, 682, 806, 1322, 1364, 1573, 1612, 2644, 3146, 3751, 4433, 6292, 7271, 7502, 8593, 8866, 14542, 15004, 17186, 17732, 20491, 29084, 34372, 40982, 48763, 79981, 81964, 94523, 97526, 159962, 189046, 195052, 225401, 266383, 319924, 378092, 450802, 532766, 901604, 1039753, 1065532, 2079506, 2479411, 2930213, 4159012, 4958822, 5860426, 9917644, 11720852, 32232343, 64464686, 128929372]

約数ペア:

[(1, 128929372), (2, 64464686), (4, 32232343), (11, 11720852), (13, 9917644), (22, 5860426), (26, 4958822), (31, 4159012), (44, 2930213), (52, 2479411), (62, 2079506), (121, 1065532), (124, 1039753), (143, 901604), (242, 532766), (286, 450802), (341, 378092), (403, 319924), (484, 266383), (572, 225401), (661, 195052), (682, 189046), (806, 159962), (1322, 97526), (1364, 94523), (1573, 81964), (1612, 79981), (2644, 48763), (3146, 40982), (3751, 34372), (4433, 29084), (6292, 20491), (7271, 17732), (7502, 17186), (8593, 15004), (8866, 14542)]