1640720269

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 1842048000

約数和(自身を除く): 201327731

約数列:

[1, 17, 29, 79, 103, 409, 493, 1343, 1751, 2291, 2987, 6953, 8137, 11861, 32311, 38947, 42127, 50779, 138329, 201637, 235973, 549287, 716159, 937019, 1221683, 3328033, 4011541, 15929323, 20768611, 56576561, 96512957, 1640720269]

約数ペア:

[(1, 1640720269), (17, 96512957), (29, 56576561), (79, 20768611), (103, 15929323), (409, 4011541), (493, 3328033), (1343, 1221683), (1751, 937019), (2291, 716159), (2987, 549287), (6953, 235973), (8137, 201637), (11861, 138329), (32311, 50779), (38947, 42127)]