221587.0000000

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 11793600

約数和(自身を除く): 6672006

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 89, 138, 139, 178, 207, 267, 278, 414, 417, 534, 801, 834, 1251, 1602, 2047, 2502, 3197, 4094, 6141, 6394, 9591, 12282, 12371, 18423, 19182, 24742, 28773, 36846, 37113, 57546, 74226, 111339, 222678, 284533, 569066, 853599, 1707198, 2560797, 5121594]

約数ペア:

[(1, 5121594), (2, 2560797), (3, 1707198), (6, 853599), (9, 569066), (18, 284533), (23, 222678), (46, 111339), (69, 74226), (89, 57546), (138, 37113), (139, 36846), (178, 28773), (207, 24742), (267, 19182), (278, 18423), (414, 12371), (417, 12282), (534, 9591), (801, 6394), (834, 6141), (1251, 4094), (1602, 3197), (2047, 2502)]