668621210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{11243}}^1$

素因数の和:11582

約数の個数: 32

約数和(自身を含む): 1271021760

約数和(自身を除く): 602400550

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 313, 626, 1565, 3130, 5947, 11243, 11894, 22486, 29735, 56215, 59470, 112430, 213617, 427234, 1068085, 2136170, 3519059, 7038118, 17595295, 35190590, 66862121, 133724242, 334310605, 668621210]

約数ペア:

[(1, 668621210), (2, 334310605), (5, 133724242), (10, 66862121), (19, 35190590), (38, 17595295), (95, 7038118), (190, 3519059), (313, 2136170), (626, 1068085), (1565, 427234), (3130, 213617), (5947, 112430), (11243, 59470), (11894, 56215), (22486, 29735)]