640691304

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{6113}}^1$

素因数の和:6530

約数の個数: 64

約数和(自身を含む): 1752027840

約数和(自身を除く): 1111336536

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 397, 794, 1191, 1588, 2382, 3176, 4367, 4764, 6113, 8734, 9528, 12226, 13101, 17468, 18339, 24452, 26202, 34936, 36678, 48904, 52404, 67243, 73356, 104808, 134486, 146712, 201729, 268972, 403458, 537944, 806916, 1613832, 2426861, 4853722, 7280583, 9707444, 14561166, 19414888, 26695471, 29122332, 53390942, 58244664, 80086413, 106781884, 160172826, 213563768, 320345652, 640691304]

約数ペア:

[(1, 640691304), (2, 320345652), (3, 213563768), (4, 160172826), (6, 106781884), (8, 80086413), (11, 58244664), (12, 53390942), (22, 29122332), (24, 26695471), (33, 19414888), (44, 14561166), (66, 9707444), (88, 7280583), (132, 4853722), (264, 2426861), (397, 1613832), (794, 806916), (1191, 537944), (1588, 403458), (2382, 268972), (3176, 201729), (4367, 146712), (4764, 134486), (6113, 104808), (8734, 73356), (9528, 67243), (12226, 52404), (13101, 48904), (17468, 36678), (18339, 34936), (24452, 26202)]