127919928

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 353548800

約数和(自身を除く): 225628872

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 29, 46, 58, 61, 69, 87, 92, 116, 122, 131, 138, 174, 183, 184, 232, 244, 262, 276, 348, 366, 393, 488, 524, 552, 667, 696, 732, 786, 1048, 1334, 1403, 1464, 1572, 1769, 2001, 2668, 2806, 3013, 3144, 3538, 3799, 4002, 4209, 5307, 5336, 5612, 6026, 7076, 7598, 7991, 8004, 8418, 9039, 10614, 11224, 11397, 12052, 14152, 15196, 15982, 16008, 16836, 18078, 21228, 22794, 23973, 24104, 30392, 31964, 33672, 36156, 40687, 42456, 45588, 47946, 63928, 72312, 81374, 87377, 91176, 95892, 122061, 162748, 174754, 183793, 191784, 231739, 244122, 262131, 325496, 349508, 367586, 463478, 488244, 524262, 551379, 695217, 699016, 735172, 926956, 976488, 1048524, 1102758, 1390434, 1470344, 1853912, 2097048, 2205516, 2780868, 4411032, 5329997, 5561736, 10659994, 15989991, 21319988, 31979982, 42639976, 63959964, 127919928]

約数ペア:

[(1, 127919928), (2, 63959964), (3, 42639976), (4, 31979982), (6, 21319988), (8, 15989991), (12, 10659994), (23, 5561736), (24, 5329997), (29, 4411032), (46, 2780868), (58, 2205516), (61, 2097048), (69, 1853912), (87, 1470344), (92, 1390434), (116, 1102758), (122, 1048524), (131, 976488), (138, 926956), (174, 735172), (183, 699016), (184, 695217), (232, 551379), (244, 524262), (262, 488244), (276, 463478), (348, 367586), (366, 349508), (393, 325496), (488, 262131), (524, 244122), (552, 231739), (667, 191784), (696, 183793), (732, 174754), (786, 162748), (1048, 122061), (1334, 95892), (1403, 91176), (1464, 87377), (1572, 81374), (1769, 72312), (2001, 63928), (2668, 47946), (2806, 45588), (3013, 42456), (3144, 40687), (3538, 36156), (3799, 33672), (4002, 31964), (4209, 30392), (5307, 24104), (5336, 23973), (5612, 22794), (6026, 21228), (7076, 18078), (7598, 16836), (7991, 16008), (8004, 15982), (8418, 15196), (9039, 14152), (10614, 12052), (11224, 11397)]