16780566

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3581}}^1$

素因数の和:3668

約数の個数: 32

約数和(自身を含む): 37138176

約数和(自身を除く): 20357610

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 213, 426, 781, 1562, 2343, 3581, 4686, 7162, 10743, 21486, 39391, 78782, 118173, 236346, 254251, 508502, 762753, 1525506, 2796761, 5593522, 8390283, 16780566]

約数ペア:

[(1, 16780566), (2, 8390283), (3, 5593522), (6, 2796761), (11, 1525506), (22, 762753), (33, 508502), (66, 254251), (71, 236346), (142, 118173), (213, 78782), (426, 39391), (781, 21486), (1562, 10743), (2343, 7162), (3581, 4686)]