291977748

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{229}}^1\times {\mathrm{331}}^1$

素因数の和:677

約数の個数: 72

約数和(自身を含む): 750466080

約数和(自身を除く): 458488332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 229, 321, 331, 428, 458, 642, 662, 687, 916, 963, 993, 1284, 1324, 1374, 1926, 1986, 2061, 2748, 2979, 3852, 3972, 4122, 5958, 8244, 11916, 24503, 35417, 49006, 70834, 73509, 75799, 98012, 106251, 141668, 147018, 151598, 212502, 220527, 227397, 294036, 303196, 318753, 425004, 441054, 454794, 637506, 682191, 882108, 909588, 1275012, 1364382, 2728764, 8110493, 16220986, 24331479, 32441972, 48662958, 72994437, 97325916, 145988874, 291977748]

約数ペア:

[(1, 291977748), (2, 145988874), (3, 97325916), (4, 72994437), (6, 48662958), (9, 32441972), (12, 24331479), (18, 16220986), (36, 8110493), (107, 2728764), (214, 1364382), (229, 1275012), (321, 909588), (331, 882108), (428, 682191), (458, 637506), (642, 454794), (662, 441054), (687, 425004), (916, 318753), (963, 303196), (993, 294036), (1284, 227397), (1324, 220527), (1374, 212502), (1926, 151598), (1986, 147018), (2061, 141668), (2748, 106251), (2979, 98012), (3852, 75799), (3972, 73509), (4122, 70834), (5958, 49006), (8244, 35417), (11916, 24503)]