71648390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{6449}}^1$

素因数の和:6568

約数の個数: 32

約数和(自身を含む): 142106400

約数和(自身を除く): 70458010

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 5555, 6449, 11110, 12898, 32245, 64490, 70939, 141878, 354695, 651349, 709390, 1302698, 3256745, 6513490, 7164839, 14329678, 35824195, 71648390]

約数ペア:

[(1, 71648390), (2, 35824195), (5, 14329678), (10, 7164839), (11, 6513490), (22, 3256745), (55, 1302698), (101, 709390), (110, 651349), (202, 354695), (505, 141878), (1010, 70939), (1111, 64490), (2222, 32245), (5555, 12898), (6449, 11110)]