42976765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 22341635

約数列:

[1, 5, 13, 17, 19, 23, 65, 85, 89, 95, 115, 221, 247, 299, 323, 391, 437, 445, 1105, 1157, 1235, 1495, 1513, 1615, 1691, 1955, 2047, 2185, 4199, 5083, 5681, 5785, 7429, 7565, 8455, 10235, 19669, 20995, 21983, 25415, 26611, 28405, 28747, 34799, 37145, 38893, 96577, 98345, 109915, 133055, 143735, 173995, 194465, 373711, 452387, 482885, 505609, 661181, 1868555, 2261935, 2528045, 3305905, 8595353, 42976765]

約数ペア:

[(1, 42976765), (5, 8595353), (13, 3305905), (17, 2528045), (19, 2261935), (23, 1868555), (65, 661181), (85, 505609), (89, 482885), (95, 452387), (115, 373711), (221, 194465), (247, 173995), (299, 143735), (323, 133055), (391, 109915), (437, 98345), (445, 96577), (1105, 38893), (1157, 37145), (1235, 34799), (1495, 28747), (1513, 28405), (1615, 26611), (1691, 25415), (1955, 21983), (2047, 20995), (2185, 19669), (4199, 10235), (5083, 8455), (5681, 7565), (5785, 7429)]