1278551838

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1\times {\mathrm{8581}}^1$

素因数の和:9912

約数の個数: 32

約数和(自身を含む): 2694061440

約数和(自身を除く): 1415509602

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 1307, 2614, 3921, 7842, 8581, 17162, 24833, 25743, 49666, 51486, 74499, 148998, 163039, 326078, 489117, 978234, 11215367, 22430734, 33646101, 67292202, 213091973, 426183946, 639275919, 1278551838]

約数ペア:

[(1, 1278551838), (2, 639275919), (3, 426183946), (6, 213091973), (19, 67292202), (38, 33646101), (57, 22430734), (114, 11215367), (1307, 978234), (2614, 489117), (3921, 326078), (7842, 163039), (8581, 148998), (17162, 74499), (24833, 51486), (25743, 49666)]