28127741835

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{6473}}^1$

素因数の和:6772

約数の個数: 64

約数和(自身を含む): 48228710400

約数和(自身を除く): 20100968565

約数列:

[1, 3, 5, 15, 19, 57, 79, 95, 193, 237, 285, 395, 579, 965, 1185, 1501, 2895, 3667, 4503, 6473, 7505, 11001, 15247, 18335, 19419, 22515, 32365, 45741, 55005, 76235, 97095, 122987, 228705, 289693, 368961, 511367, 614935, 869079, 1249289, 1448465, 1534101, 1844805, 2556835, 3747867, 4345395, 6246445, 7670505, 9715973, 18739335, 23736491, 29147919, 48579865, 71209473, 98693831, 118682455, 145739595, 296081493, 356047365, 493469155, 1480407465, 1875182789, 5625548367, 9375913945, 28127741835]

約数ペア:

[(1, 28127741835), (3, 9375913945), (5, 5625548367), (15, 1875182789), (19, 1480407465), (57, 493469155), (79, 356047365), (95, 296081493), (193, 145739595), (237, 118682455), (285, 98693831), (395, 71209473), (579, 48579865), (965, 29147919), (1185, 23736491), (1501, 18739335), (2895, 9715973), (3667, 7670505), (4503, 6246445), (6473, 4345395), (7505, 3747867), (11001, 2556835), (15247, 1844805), (18335, 1534101), (19419, 1448465), (22515, 1249289), (32365, 869079), (45741, 614935), (55005, 511367), (76235, 368961), (97095, 289693), (122987, 228705)]