28454724

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 74299680

約数和(自身を除く): 45844956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 89, 107, 166, 178, 214, 249, 267, 321, 332, 356, 428, 498, 534, 642, 747, 801, 963, 996, 1068, 1284, 1494, 1602, 1926, 2988, 3204, 3852, 7387, 8881, 9523, 14774, 17762, 19046, 22161, 26643, 28569, 29548, 35524, 38092, 44322, 53286, 57138, 66483, 79929, 85707, 88644, 106572, 114276, 132966, 159858, 171414, 265932, 319716, 342828, 790409, 1580818, 2371227, 3161636, 4742454, 7113681, 9484908, 14227362, 28454724]

約数ペア:

[(1, 28454724), (2, 14227362), (3, 9484908), (4, 7113681), (6, 4742454), (9, 3161636), (12, 2371227), (18, 1580818), (36, 790409), (83, 342828), (89, 319716), (107, 265932), (166, 171414), (178, 159858), (214, 132966), (249, 114276), (267, 106572), (321, 88644), (332, 85707), (356, 79929), (428, 66483), (498, 57138), (534, 53286), (642, 44322), (747, 38092), (801, 35524), (963, 29548), (996, 28569), (1068, 26643), (1284, 22161), (1494, 19046), (1602, 17762), (1926, 14774), (2988, 9523), (3204, 8881), (3852, 7387)]