128744604

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{997}}^1$

素因数の和:1235

約数の個数: 72

約数和(自身を含む): 346561488

約数和(自身を除く): 217816884

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 211, 306, 422, 612, 633, 844, 997, 1266, 1899, 1994, 2532, 2991, 3587, 3798, 3988, 5982, 7174, 7596, 8973, 10761, 11964, 14348, 16949, 17946, 21522, 32283, 33898, 35892, 43044, 50847, 64566, 67796, 101694, 129132, 152541, 203388, 210367, 305082, 420734, 610164, 631101, 841468, 1262202, 1893303, 2524404, 3576239, 3786606, 7152478, 7573212, 10728717, 14304956, 21457434, 32186151, 42914868, 64372302, 128744604]

約数ペア:

[(1, 128744604), (2, 64372302), (3, 42914868), (4, 32186151), (6, 21457434), (9, 14304956), (12, 10728717), (17, 7573212), (18, 7152478), (34, 3786606), (36, 3576239), (51, 2524404), (68, 1893303), (102, 1262202), (153, 841468), (204, 631101), (211, 610164), (306, 420734), (422, 305082), (612, 210367), (633, 203388), (844, 152541), (997, 129132), (1266, 101694), (1899, 67796), (1994, 64566), (2532, 50847), (2991, 43044), (3587, 35892), (3798, 33898), (3988, 32283), (5982, 21522), (7174, 17946), (7596, 16949), (8973, 14348), (10761, 11964)]