221153676

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{140683}}^1$

素因数の和:140821

約数の個数: 24

約数和(自身を含む): 519968064

約数和(自身を除く): 298814388

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 140683, 281366, 422049, 562732, 844098, 1688196, 18429473, 36858946, 55288419, 73717892, 110576838, 221153676]

約数ペア:

[(1, 221153676), (2, 110576838), (3, 73717892), (4, 55288419), (6, 36858946), (12, 18429473), (131, 1688196), (262, 844098), (393, 562732), (524, 422049), (786, 281366), (1572, 140683)]