13121484

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 32731776

約数和(自身を除く): 19610292

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 131, 204, 262, 393, 491, 524, 786, 982, 1473, 1572, 1964, 2227, 2946, 4454, 5892, 6681, 8347, 8908, 13362, 16694, 25041, 26724, 33388, 50082, 64321, 100164, 128642, 192963, 257284, 385926, 771852, 1093457, 2186914, 3280371, 4373828, 6560742, 13121484]

約数ペア:

[(1, 13121484), (2, 6560742), (3, 4373828), (4, 3280371), (6, 2186914), (12, 1093457), (17, 771852), (34, 385926), (51, 257284), (68, 192963), (102, 128642), (131, 100164), (204, 64321), (262, 50082), (393, 33388), (491, 26724), (524, 25041), (786, 16694), (982, 13362), (1473, 8908), (1572, 8347), (1964, 6681), (2227, 5892), (2946, 4454)]