888964494485

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{641}}^1\times {\mathrm{991}}^1$

素因数の和:1986

約数の個数: 64

約数和(自身を含む): 1145988366336

約数和(自身を除く): 257023871851

約数列:

[1, 5, 23, 43, 115, 215, 283, 641, 989, 991, 1415, 3205, 4945, 4955, 6509, 12169, 14743, 22793, 27563, 32545, 42613, 60845, 73715, 113965, 137815, 181403, 213065, 279887, 280453, 633949, 635231, 907015, 980099, 1399435, 1402265, 3169745, 3176155, 4172269, 4900495, 6450419, 7800329, 12059479, 14610313, 20861345, 27314933, 32252095, 39001645, 60297395, 73051565, 136574665, 179407567, 179770373, 277368017, 628243459, 897037835, 898851865, 1386840085, 3141217295, 4134718579, 7730126039, 20673592895, 38650630195, 177792898897, 888964494485]

約数ペア:

[(1, 888964494485), (5, 177792898897), (23, 38650630195), (43, 20673592895), (115, 7730126039), (215, 4134718579), (283, 3141217295), (641, 1386840085), (989, 898851865), (991, 897037835), (1415, 628243459), (3205, 277368017), (4945, 179770373), (4955, 179407567), (6509, 136574665), (12169, 73051565), (14743, 60297395), (22793, 39001645), (27563, 32252095), (32545, 27314933), (42613, 20861345), (60845, 14610313), (73715, 12059479), (113965, 7800329), (137815, 6450419), (181403, 4900495), (213065, 4172269), (279887, 3176155), (280453, 3169745), (633949, 1402265), (635231, 1399435), (907015, 980099)]