71687392

素因数分解:

$2^5\times 7^2\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:504

約数の個数: 72

約数和(自身を含む): 165904200

約数和(自身を除く): 94216808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 131, 196, 224, 262, 349, 392, 524, 698, 784, 917, 1048, 1396, 1568, 1834, 2096, 2443, 2792, 3668, 4192, 4886, 5584, 6419, 7336, 9772, 11168, 12838, 14672, 17101, 19544, 25676, 29344, 34202, 39088, 45719, 51352, 68404, 78176, 91438, 102704, 136808, 182876, 205408, 273616, 320033, 365752, 547232, 640066, 731504, 1280132, 1463008, 2240231, 2560264, 4480462, 5120528, 8960924, 10241056, 17921848, 35843696, 71687392]

約数ペア:

[(1, 71687392), (2, 35843696), (4, 17921848), (7, 10241056), (8, 8960924), (14, 5120528), (16, 4480462), (28, 2560264), (32, 2240231), (49, 1463008), (56, 1280132), (98, 731504), (112, 640066), (131, 547232), (196, 365752), (224, 320033), (262, 273616), (349, 205408), (392, 182876), (524, 136808), (698, 102704), (784, 91438), (917, 78176), (1048, 68404), (1396, 51352), (1568, 45719), (1834, 39088), (2096, 34202), (2443, 29344), (2792, 25676), (3668, 19544), (4192, 17101), (4886, 14672), (5584, 12838), (6419, 11168), (7336, 9772)]