28709448033

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1\times {\mathrm{1487}}^1$

素因数の和:2154

約数の個数: 64

約数和(自身を含む): 46406172672

約数和(自身を除く): 17696724639

約数列:

[1, 3, 7, 21, 23, 69, 71, 161, 213, 483, 497, 563, 1487, 1491, 1633, 1689, 3941, 4461, 4899, 10409, 11431, 11823, 12949, 31227, 34201, 34293, 38847, 39973, 90643, 102603, 105577, 119919, 239407, 271929, 279811, 316731, 718221, 739039, 837181, 839433, 919379, 2217117, 2428271, 2511543, 2758137, 5860267, 6435653, 7284813, 16997897, 17580801, 19255163, 19306959, 50993691, 57765489, 59439851, 134786141, 178319553, 404358423, 416078957, 1248236871, 1367116573, 4101349719, 9569816011, 28709448033]

約数ペア:

[(1, 28709448033), (3, 9569816011), (7, 4101349719), (21, 1367116573), (23, 1248236871), (69, 416078957), (71, 404358423), (161, 178319553), (213, 134786141), (483, 59439851), (497, 57765489), (563, 50993691), (1487, 19306959), (1491, 19255163), (1633, 17580801), (1689, 16997897), (3941, 7284813), (4461, 6435653), (4899, 5860267), (10409, 2758137), (11431, 2511543), (11823, 2428271), (12949, 2217117), (31227, 919379), (34201, 839433), (34293, 837181), (38847, 739039), (39973, 718221), (90643, 316731), (102603, 279811), (105577, 271929), (119919, 239407)]