1388330028

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{661}}^1\times {\mathrm{1423}}^1$

素因数の和:2135

約数の個数: 72

約数和(自身を含む): 3602953536

約数和(自身を除く): 2214623508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 661, 738, 1322, 1423, 1476, 1983, 2644, 2846, 3966, 4269, 5692, 5949, 7932, 8538, 11898, 12807, 17076, 23796, 25614, 27101, 51228, 54202, 58343, 81303, 108404, 116686, 162606, 175029, 233372, 243909, 325212, 350058, 487818, 525087, 700116, 940603, 975636, 1050174, 1881206, 2100348, 2821809, 3762412, 5643618, 8465427, 11287236, 16930854, 33861708, 38564723, 77129446, 115694169, 154258892, 231388338, 347082507, 462776676, 694165014, 1388330028]

約数ペア:

[(1, 1388330028), (2, 694165014), (3, 462776676), (4, 347082507), (6, 231388338), (9, 154258892), (12, 115694169), (18, 77129446), (36, 38564723), (41, 33861708), (82, 16930854), (123, 11287236), (164, 8465427), (246, 5643618), (369, 3762412), (492, 2821809), (661, 2100348), (738, 1881206), (1322, 1050174), (1423, 975636), (1476, 940603), (1983, 700116), (2644, 525087), (2846, 487818), (3966, 350058), (4269, 325212), (5692, 243909), (5949, 233372), (7932, 175029), (8538, 162606), (11898, 116686), (12807, 108404), (17076, 81303), (23796, 58343), (25614, 54202), (27101, 51228)]