813781552

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1019}}^1$

素因数の和:1154

約数の個数: 80

約数和(自身を含む): 1730246400

約数和(自身を除く): 916464848

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 71, 74, 76, 142, 148, 152, 284, 296, 304, 568, 592, 703, 1019, 1136, 1349, 1406, 2038, 2627, 2698, 2812, 4076, 5254, 5396, 5624, 8152, 10508, 10792, 11248, 16304, 19361, 21016, 21584, 37703, 38722, 42032, 49913, 72349, 75406, 77444, 99826, 144698, 150812, 154888, 199652, 289396, 301624, 309776, 399304, 578792, 603248, 716357, 798608, 1157584, 1374631, 1432714, 2676913, 2749262, 2865428, 5353826, 5498524, 5730856, 10707652, 10997048, 11461712, 21415304, 21994096, 42830608, 50861347, 101722694, 203445388, 406890776, 813781552]

約数ペア:

[(1, 813781552), (2, 406890776), (4, 203445388), (8, 101722694), (16, 50861347), (19, 42830608), (37, 21994096), (38, 21415304), (71, 11461712), (74, 10997048), (76, 10707652), (142, 5730856), (148, 5498524), (152, 5353826), (284, 2865428), (296, 2749262), (304, 2676913), (568, 1432714), (592, 1374631), (703, 1157584), (1019, 798608), (1136, 716357), (1349, 603248), (1406, 578792), (2038, 399304), (2627, 309776), (2698, 301624), (2812, 289396), (4076, 199652), (5254, 154888), (5396, 150812), (5624, 144698), (8152, 99826), (10508, 77444), (10792, 75406), (11248, 72349), (16304, 49913), (19361, 42032), (21016, 38722), (21584, 37703)]