209569438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1889}}^1$

素因数の和:2172

約数の個数: 32

約数和(自身を含む): 360067680

約数和(自身を除く): 150498242

約数列:

[1, 2, 13, 17, 26, 34, 221, 251, 442, 502, 1889, 3263, 3778, 4267, 6526, 8534, 24557, 32113, 49114, 55471, 64226, 110942, 417469, 474139, 834938, 948278, 6163807, 8060363, 12327614, 16120726, 104784719, 209569438]

約数ペア:

[(1, 209569438), (2, 104784719), (13, 16120726), (17, 12327614), (26, 8060363), (34, 6163807), (221, 948278), (251, 834938), (442, 474139), (502, 417469), (1889, 110942), (3263, 64226), (3778, 55471), (4267, 49114), (6526, 32113), (8534, 24557)]