1397431386

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{1990643}}^1$

素因数の和:1990667

約数の個数: 32

約数和(自身を含む): 3344281920

約数和(自身を除く): 1946850534

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 1990643, 3981286, 5971929, 11943858, 17915787, 25878359, 35831574, 51756718, 53747361, 77635077, 107494722, 155270154, 232905231, 465810462, 698715693, 1397431386]

約数ペア:

[(1, 1397431386), (2, 698715693), (3, 465810462), (6, 232905231), (9, 155270154), (13, 107494722), (18, 77635077), (26, 53747361), (27, 51756718), (39, 35831574), (54, 25878359), (78, 17915787), (117, 11943858), (234, 5971929), (351, 3981286), (702, 1990643)]