16891745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 23030784

約数和(自身を除く): 6139039

約数列:

[1, 5, 13, 31, 65, 83, 101, 155, 403, 415, 505, 1079, 1313, 2015, 2573, 3131, 5395, 6565, 8383, 12865, 15655, 33449, 40703, 41915, 108979, 167245, 203515, 259873, 544895, 1299365, 3378349, 16891745]

約数ペア:

[(1, 16891745), (5, 3378349), (13, 1299365), (31, 544895), (65, 259873), (83, 203515), (101, 167245), (155, 108979), (403, 41915), (415, 40703), (505, 33449), (1079, 15655), (1313, 12865), (2015, 8383), (2573, 6565), (3131, 5395)]