2173964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 4148928

約数和(自身を除く): 1974964

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 431, 862, 1261, 1724, 2522, 5044, 5603, 11206, 22412, 41807, 83614, 167228, 543491, 1086982, 2173964]

約数ペア:

[(1, 2173964), (2, 1086982), (4, 543491), (13, 167228), (26, 83614), (52, 41807), (97, 22412), (194, 11206), (388, 5603), (431, 5044), (862, 2522), (1261, 1724)]