221294836

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{659}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 452390400

約数和(自身を除く): 231095564

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 179, 268, 358, 469, 659, 716, 938, 1253, 1318, 1876, 2506, 2636, 4613, 5012, 9226, 11993, 18452, 23986, 44153, 47972, 83951, 88306, 117961, 167902, 176612, 235922, 309071, 335804, 471844, 618142, 825727, 1236284, 1651454, 3302908, 7903387, 15806774, 31613548, 55323709, 110647418, 221294836]

約数ペア:

[(1, 221294836), (2, 110647418), (4, 55323709), (7, 31613548), (14, 15806774), (28, 7903387), (67, 3302908), (134, 1651454), (179, 1236284), (268, 825727), (358, 618142), (469, 471844), (659, 335804), (716, 309071), (938, 235922), (1253, 176612), (1318, 167902), (1876, 117961), (2506, 88306), (2636, 83951), (4613, 47972), (5012, 44153), (9226, 23986), (11993, 18452)]