216567505

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 363450240

約数和(自身を除く): 146882735

約数列:

[1, 5, 7, 11, 17, 29, 35, 49, 55, 77, 85, 119, 145, 163, 187, 203, 245, 319, 385, 493, 539, 595, 815, 833, 935, 1015, 1141, 1309, 1421, 1595, 1793, 2233, 2465, 2695, 2771, 3451, 4165, 4727, 5423, 5705, 6545, 7105, 7987, 8965, 9163, 11165, 12551, 13855, 15631, 17255, 19397, 23635, 24157, 27115, 30481, 33089, 37961, 39935, 45815, 51997, 62755, 78155, 80359, 87857, 96985, 120785, 135779, 152405, 165445, 189805, 213367, 231623, 259985, 265727, 363979, 401795, 439285, 562513, 678895, 883949, 1066835, 1158115, 1328635, 1493569, 1819895, 2547853, 2812565, 3937591, 4419745, 6187643, 7467845, 12739265, 19687955, 30938215, 43313501, 216567505]

約数ペア:

[(1, 216567505), (5, 43313501), (7, 30938215), (11, 19687955), (17, 12739265), (29, 7467845), (35, 6187643), (49, 4419745), (55, 3937591), (77, 2812565), (85, 2547853), (119, 1819895), (145, 1493569), (163, 1328635), (187, 1158115), (203, 1066835), (245, 883949), (319, 678895), (385, 562513), (493, 439285), (539, 401795), (595, 363979), (815, 265727), (833, 259985), (935, 231623), (1015, 213367), (1141, 189805), (1309, 165445), (1421, 152405), (1595, 135779), (1793, 120785), (2233, 96985), (2465, 87857), (2695, 80359), (2771, 78155), (3451, 62755), (4165, 51997), (4727, 45815), (5423, 39935), (5705, 37961), (6545, 33089), (7105, 30481), (7987, 27115), (8965, 24157), (9163, 23635), (11165, 19397), (12551, 17255), (13855, 15631)]