219565591

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1123}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 279687168

約数和(自身を除く): 60121577

約数列:

[1, 7, 17, 31, 53, 119, 217, 371, 527, 901, 1123, 1643, 3689, 6307, 7861, 11501, 19091, 27931, 34813, 59519, 133637, 195517, 243691, 416633, 591821, 1011823, 1845089, 4142747, 7082761, 12915623, 31366513, 219565591]

約数ペア:

[(1, 219565591), (7, 31366513), (17, 12915623), (31, 7082761), (53, 4142747), (119, 1845089), (217, 1011823), (371, 591821), (527, 416633), (901, 243691), (1123, 195517), (1643, 133637), (3689, 59519), (6307, 34813), (7861, 27931), (11501, 19091)]