1998072015

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{1601}}^1$

素因数の和:1808

約数の個数: 64

約数和(自身を含む): 3506457600

約数和(自身を除く): 1508385585

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 151, 285, 435, 453, 551, 755, 1601, 1653, 2265, 2755, 2869, 4379, 4803, 8005, 8265, 8607, 13137, 14345, 21895, 24015, 30419, 43035, 46429, 65685, 83201, 91257, 139287, 152095, 232145, 241751, 249603, 416005, 456285, 696435, 725253, 882151, 1208755, 1248015, 2646453, 3626265, 4410755, 4593269, 7010779, 13232265, 13779807, 21032337, 22966345, 35053895, 68899035, 105161685, 133204801, 399614403, 666024005, 1998072015]

約数ペア:

[(1, 1998072015), (3, 666024005), (5, 399614403), (15, 133204801), (19, 105161685), (29, 68899035), (57, 35053895), (87, 22966345), (95, 21032337), (145, 13779807), (151, 13232265), (285, 7010779), (435, 4593269), (453, 4410755), (551, 3626265), (755, 2646453), (1601, 1248015), (1653, 1208755), (2265, 882151), (2755, 725253), (2869, 696435), (4379, 456285), (4803, 416005), (8005, 249603), (8265, 241751), (8607, 232145), (13137, 152095), (14345, 139287), (21895, 91257), (24015, 83201), (30419, 65685), (43035, 46429)]