15963978

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3989}}^1$

素因数の和:4046

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 18509622

約数列:

[1, 2, 3, 6, 23, 29, 46, 58, 69, 87, 138, 174, 667, 1334, 2001, 3989, 4002, 7978, 11967, 23934, 91747, 115681, 183494, 231362, 275241, 347043, 550482, 694086, 2660663, 5321326, 7981989, 15963978]

約数ペア:

[(1, 15963978), (2, 7981989), (3, 5321326), (6, 2660663), (23, 694086), (29, 550482), (46, 347043), (58, 275241), (69, 231362), (87, 183494), (138, 115681), (174, 91747), (667, 23934), (1334, 11967), (2001, 7978), (3989, 4002)]