81356028

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16823}}^1$

素因数の和:16874

約数の個数: 48

約数和(自身を含む): 211040256

約数和(自身を除く): 129684228

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4836, 16823, 33646, 50469, 67292, 100938, 201876, 218699, 437398, 521513, 656097, 874796, 1043026, 1312194, 1564539, 2086052, 2624388, 3129078, 6258156, 6779669, 13559338, 20339007, 27118676, 40678014, 81356028]

約数ペア:

[(1, 81356028), (2, 40678014), (3, 27118676), (4, 20339007), (6, 13559338), (12, 6779669), (13, 6258156), (26, 3129078), (31, 2624388), (39, 2086052), (52, 1564539), (62, 1312194), (78, 1043026), (93, 874796), (124, 656097), (156, 521513), (186, 437398), (372, 218699), (403, 201876), (806, 100938), (1209, 67292), (1612, 50469), (2418, 33646), (4836, 16823)]