1388406722

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{51973}}^1$

素因数の和:52050

約数の個数: 24

約数和(自身を含む): 2257438716

約数和(自身を除く): 869031994

約数列:

[1, 2, 19, 37, 38, 74, 361, 703, 722, 1406, 13357, 26714, 51973, 103946, 987487, 1923001, 1974974, 3846002, 18762253, 36537019, 37524506, 73074038, 694203361, 1388406722]

約数ペア:

[(1, 1388406722), (2, 694203361), (19, 73074038), (37, 37524506), (38, 36537019), (74, 18762253), (361, 3846002), (703, 1974974), (722, 1923001), (1406, 987487), (13357, 103946), (26714, 51973)]