7788586221

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1223}}^1$

素因数の和:1387

約数の個数: 72

約数和(自身を含む): 12579390720

約数和(自身を除く): 4790804499

約数列:

[1, 3, 9, 13, 39, 53, 79, 117, 159, 169, 237, 477, 507, 689, 711, 1027, 1223, 1521, 2067, 3081, 3669, 4187, 6201, 8957, 9243, 11007, 12561, 13351, 15899, 26871, 37683, 40053, 47697, 54431, 64819, 80613, 96617, 120159, 143091, 163293, 194457, 206687, 289851, 489879, 583371, 620061, 707603, 842647, 869553, 1256021, 1860183, 2122809, 2527941, 3768063, 5120701, 6368427, 7583823, 10954411, 11304189, 15362103, 16328273, 32863233, 46086309, 48984819, 66569113, 98589699, 146954457, 199707339, 599122017, 865398469, 2596195407, 7788586221]

約数ペア:

[(1, 7788586221), (3, 2596195407), (9, 865398469), (13, 599122017), (39, 199707339), (53, 146954457), (79, 98589699), (117, 66569113), (159, 48984819), (169, 46086309), (237, 32863233), (477, 16328273), (507, 15362103), (689, 11304189), (711, 10954411), (1027, 7583823), (1223, 6368427), (1521, 5120701), (2067, 3768063), (3081, 2527941), (3669, 2122809), (4187, 1860183), (6201, 1256021), (8957, 869553), (9243, 842647), (11007, 707603), (12561, 620061), (13351, 583371), (15899, 489879), (26871, 289851), (37683, 206687), (40053, 194457), (47697, 163293), (54431, 143091), (64819, 120159), (80613, 96617)]