78350805

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1999}}^1$

素因数の和:2090

約数の個数: 48

約数和(自身を含む): 148512000

約数和(自身を除く): 70161195

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 67, 117, 195, 201, 335, 585, 603, 871, 1005, 1999, 2613, 3015, 4355, 5997, 7839, 9995, 13065, 17991, 25987, 29985, 39195, 77961, 89955, 129935, 133933, 233883, 389805, 401799, 669665, 1169415, 1205397, 1741129, 2008995, 5223387, 6026985, 8705645, 15670161, 26116935, 78350805]

約数ペア:

[(1, 78350805), (3, 26116935), (5, 15670161), (9, 8705645), (13, 6026985), (15, 5223387), (39, 2008995), (45, 1741129), (65, 1205397), (67, 1169415), (117, 669665), (195, 401799), (201, 389805), (335, 233883), (585, 133933), (603, 129935), (871, 89955), (1005, 77961), (1999, 39195), (2613, 29985), (3015, 25987), (4355, 17991), (5997, 13065), (7839, 9995)]