71955565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1861}}^1$

素因数の和:1933

約数の個数: 32

約数和(自身を含む): 101888640

約数和(自身を除く): 29933075

約数列:

[1, 5, 11, 19, 37, 55, 95, 185, 209, 407, 703, 1045, 1861, 2035, 3515, 7733, 9305, 20471, 35359, 38665, 68857, 102355, 176795, 344285, 388949, 757427, 1308283, 1944745, 3787135, 6541415, 14391113, 71955565]

約数ペア:

[(1, 71955565), (5, 14391113), (11, 6541415), (19, 3787135), (37, 1944745), (55, 1308283), (95, 757427), (185, 388949), (209, 344285), (407, 176795), (703, 102355), (1045, 68857), (1861, 38665), (2035, 35359), (3515, 20471), (7733, 9305)]