87289865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 116121600

約数和(自身を除く): 28831735

約数列:

[1, 5, 13, 65, 79, 89, 191, 395, 445, 955, 1027, 1157, 2483, 5135, 5785, 7031, 12415, 15089, 16999, 35155, 75445, 84995, 91403, 196157, 220987, 457015, 980785, 1104935, 1342921, 6714605, 17457973, 87289865]

約数ペア:

[(1, 87289865), (5, 17457973), (13, 6714605), (65, 1342921), (79, 1104935), (89, 980785), (191, 457015), (395, 220987), (445, 196157), (955, 91403), (1027, 84995), (1157, 75445), (2483, 35155), (5135, 16999), (5785, 15089), (7031, 12415)]