27961388

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 63947520

約数和(自身を除く): 35986132

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 169, 182, 247, 266, 311, 338, 364, 494, 532, 622, 676, 988, 1183, 1244, 1729, 2177, 2366, 3211, 3458, 4043, 4354, 4732, 5909, 6422, 6916, 8086, 8708, 11818, 12844, 16172, 22477, 23636, 28301, 41363, 44954, 52559, 56602, 76817, 82726, 89908, 105118, 113204, 153634, 165452, 210236, 307268, 367913, 537719, 735826, 998621, 1075438, 1471652, 1997242, 2150876, 3994484, 6990347, 13980694, 27961388]

約数ペア:

[(1, 27961388), (2, 13980694), (4, 6990347), (7, 3994484), (13, 2150876), (14, 1997242), (19, 1471652), (26, 1075438), (28, 998621), (38, 735826), (52, 537719), (76, 367913), (91, 307268), (133, 210236), (169, 165452), (182, 153634), (247, 113204), (266, 105118), (311, 89908), (338, 82726), (364, 76817), (494, 56602), (532, 52559), (622, 44954), (676, 41363), (988, 28301), (1183, 23636), (1244, 22477), (1729, 16172), (2177, 12844), (2366, 11818), (3211, 8708), (3458, 8086), (4043, 6916), (4354, 6422), (4732, 5909)]