155015965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4049}}^1$

素因数の和:4117

約数の個数: 32

約数和(自身を含む): 217728000

約数和(自身を除く): 62712035

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 589, 1235, 2015, 2945, 4049, 7657, 20245, 38285, 52637, 76931, 125519, 263185, 384655, 627595, 1000103, 1631747, 2384861, 5000515, 8158735, 11924305, 31003193, 155015965]

約数ペア:

[(1, 155015965), (5, 31003193), (13, 11924305), (19, 8158735), (31, 5000515), (65, 2384861), (95, 1631747), (155, 1000103), (247, 627595), (403, 384655), (589, 263185), (1235, 125519), (2015, 76931), (2945, 52637), (4049, 38285), (7657, 20245)]