81733764

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{607}}^1$

素因数の和:857

約数の個数: 72

約数和(自身を含む): 223184640

約数和(自身を除く): 141450876

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 229, 294, 458, 588, 607, 687, 916, 1214, 1374, 1603, 1821, 2428, 2748, 3206, 3642, 4249, 4809, 6412, 7284, 8498, 9618, 11221, 12747, 16996, 19236, 22442, 25494, 29743, 33663, 44884, 50988, 59486, 67326, 89229, 118972, 134652, 139003, 178458, 278006, 356916, 417009, 556012, 834018, 973021, 1668036, 1946042, 2919063, 3892084, 5838126, 6811147, 11676252, 13622294, 20433441, 27244588, 40866882, 81733764]

約数ペア:

[(1, 81733764), (2, 40866882), (3, 27244588), (4, 20433441), (6, 13622294), (7, 11676252), (12, 6811147), (14, 5838126), (21, 3892084), (28, 2919063), (42, 1946042), (49, 1668036), (84, 973021), (98, 834018), (147, 556012), (196, 417009), (229, 356916), (294, 278006), (458, 178458), (588, 139003), (607, 134652), (687, 118972), (916, 89229), (1214, 67326), (1374, 59486), (1603, 50988), (1821, 44884), (2428, 33663), (2748, 29743), (3206, 25494), (3642, 22442), (4249, 19236), (4809, 16996), (6412, 12747), (7284, 11221), (8498, 9618)]