87745330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{12589}}^1$

素因数の和:12654

約数の個数: 32

約数和(自身を含む): 171324720

約数和(自身を除く): 83579390

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 12589, 25178, 62945, 125890, 214013, 428026, 516149, 1032298, 1070065, 2140130, 2580745, 5161490, 8774533, 17549066, 43872665, 87745330]

約数ペア:

[(1, 87745330), (2, 43872665), (5, 17549066), (10, 8774533), (17, 5161490), (34, 2580745), (41, 2140130), (82, 1070065), (85, 1032298), (170, 516149), (205, 428026), (410, 214013), (697, 125890), (1394, 62945), (3485, 25178), (6970, 12589)]