28509768

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{8081}}^1$

素因数の和:8107

約数の個数: 72

約数和(自身を含む): 89831430

約数和(自身を除く): 61321662

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 8081, 16162, 24243, 32324, 48486, 56567, 64648, 72729, 96972, 113134, 145458, 169701, 193944, 226268, 290916, 339402, 395969, 452536, 509103, 581832, 678804, 791938, 1018206, 1187907, 1357608, 1583876, 2036412, 2375814, 3167752, 3563721, 4072824, 4751628, 7127442, 9503256, 14254884, 28509768]

約数ペア:

[(1, 28509768), (2, 14254884), (3, 9503256), (4, 7127442), (6, 4751628), (7, 4072824), (8, 3563721), (9, 3167752), (12, 2375814), (14, 2036412), (18, 1583876), (21, 1357608), (24, 1187907), (28, 1018206), (36, 791938), (42, 678804), (49, 581832), (56, 509103), (63, 452536), (72, 395969), (84, 339402), (98, 290916), (126, 226268), (147, 193944), (168, 169701), (196, 145458), (252, 113134), (294, 96972), (392, 72729), (441, 64648), (504, 56567), (588, 48486), (882, 32324), (1176, 24243), (1764, 16162), (3528, 8081)]