881392688

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{135349}}^1$

素因数の和:135405

約数の個数: 40

約数和(自身を含む): 1913307600

約数和(自身を除く): 1031914912

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 814, 1628, 3256, 6512, 135349, 270698, 541396, 1082792, 1488839, 2165584, 2977678, 5007913, 5955356, 10015826, 11910712, 20031652, 23821424, 40063304, 55087043, 80126608, 110174086, 220348172, 440696344, 881392688]

約数ペア:

[(1, 881392688), (2, 440696344), (4, 220348172), (8, 110174086), (11, 80126608), (16, 55087043), (22, 40063304), (37, 23821424), (44, 20031652), (74, 11910712), (88, 10015826), (148, 5955356), (176, 5007913), (296, 2977678), (407, 2165584), (592, 1488839), (814, 1082792), (1628, 541396), (3256, 270698), (6512, 135349)]