128938716

素因数分解:

$2^2\times 3^5\times {\mathrm{109}}^1\times {\mathrm{1217}}^1$

素因数の和:1345

約数の個数: 72

約数和(自身を含む): 341381040

約数和(自身を除く): 212442324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 109, 162, 218, 243, 324, 327, 436, 486, 654, 972, 981, 1217, 1308, 1962, 2434, 2943, 3651, 3924, 4868, 5886, 7302, 8829, 10953, 11772, 14604, 17658, 21906, 26487, 32859, 35316, 43812, 52974, 65718, 98577, 105948, 131436, 132653, 197154, 265306, 295731, 394308, 397959, 530612, 591462, 795918, 1182924, 1193877, 1591836, 2387754, 3581631, 4775508, 7163262, 10744893, 14326524, 21489786, 32234679, 42979572, 64469358, 128938716]

約数ペア:

[(1, 128938716), (2, 64469358), (3, 42979572), (4, 32234679), (6, 21489786), (9, 14326524), (12, 10744893), (18, 7163262), (27, 4775508), (36, 3581631), (54, 2387754), (81, 1591836), (108, 1193877), (109, 1182924), (162, 795918), (218, 591462), (243, 530612), (324, 397959), (327, 394308), (436, 295731), (486, 265306), (654, 197154), (972, 132653), (981, 131436), (1217, 105948), (1308, 98577), (1962, 65718), (2434, 52974), (2943, 43812), (3651, 35316), (3924, 32859), (4868, 26487), (5886, 21906), (7302, 17658), (8829, 14604), (10953, 11772)]