87917778

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 228614400

約数和(自身を除く): 140696622

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 53, 54, 78, 102, 106, 117, 139, 153, 159, 221, 234, 278, 306, 318, 351, 417, 442, 459, 477, 663, 689, 702, 834, 901, 918, 954, 1251, 1326, 1378, 1431, 1802, 1807, 1989, 2067, 2363, 2502, 2703, 2862, 3614, 3753, 3978, 4134, 4726, 5406, 5421, 5967, 6201, 7089, 7367, 7506, 8109, 10842, 11713, 11934, 12402, 14178, 14734, 16218, 16263, 18603, 21267, 22101, 23426, 24327, 30719, 32526, 35139, 37206, 42534, 44202, 48654, 48789, 61438, 63801, 66303, 70278, 92157, 95771, 97578, 105417, 125239, 127602, 132606, 184314, 191542, 198909, 210834, 250478, 276471, 287313, 316251, 375717, 397818, 552942, 574626, 632502, 751434, 829413, 861939, 1127151, 1628107, 1658826, 1723878, 2254302, 2585817, 3256214, 3381453, 4884321, 5171634, 6762906, 9768642, 14652963, 29305926, 43958889, 87917778]

約数ペア:

[(1, 87917778), (2, 43958889), (3, 29305926), (6, 14652963), (9, 9768642), (13, 6762906), (17, 5171634), (18, 4884321), (26, 3381453), (27, 3256214), (34, 2585817), (39, 2254302), (51, 1723878), (53, 1658826), (54, 1628107), (78, 1127151), (102, 861939), (106, 829413), (117, 751434), (139, 632502), (153, 574626), (159, 552942), (221, 397818), (234, 375717), (278, 316251), (306, 287313), (318, 276471), (351, 250478), (417, 210834), (442, 198909), (459, 191542), (477, 184314), (663, 132606), (689, 127602), (702, 125239), (834, 105417), (901, 97578), (918, 95771), (954, 92157), (1251, 70278), (1326, 66303), (1378, 63801), (1431, 61438), (1802, 48789), (1807, 48654), (1989, 44202), (2067, 42534), (2363, 37206), (2502, 35139), (2703, 32526), (2862, 30719), (3614, 24327), (3753, 23426), (3978, 22101), (4134, 21267), (4726, 18603), (5406, 16263), (5421, 16218), (5967, 14734), (6201, 14178), (7089, 12402), (7367, 11934), (7506, 11713), (8109, 10842)]