65939728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6997}}^1$

素因数の和:7055

約数の個数: 40

約数和(自身を含む): 138840320

約数和(自身を除く): 72900592

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 6997, 9424, 13994, 27988, 55976, 111952, 132943, 216907, 265886, 433814, 531772, 867628, 1063544, 1735256, 2127088, 3470512, 4121233, 8242466, 16484932, 32969864, 65939728]

約数ペア:

[(1, 65939728), (2, 32969864), (4, 16484932), (8, 8242466), (16, 4121233), (19, 3470512), (31, 2127088), (38, 1735256), (62, 1063544), (76, 867628), (124, 531772), (152, 433814), (248, 265886), (304, 216907), (496, 132943), (589, 111952), (1178, 55976), (2356, 27988), (4712, 13994), (6997, 9424)]