161491456

素因数分解:

$2^9\times 7^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 120

約数和(自身を含む): 386951796

約数和(自身を除く): 225460340

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 64, 82, 98, 112, 128, 157, 164, 196, 224, 256, 287, 314, 328, 392, 448, 512, 574, 628, 656, 784, 896, 1099, 1148, 1256, 1312, 1568, 1792, 2009, 2198, 2296, 2512, 2624, 3136, 3584, 4018, 4396, 4592, 5024, 5248, 6272, 6437, 7693, 8036, 8792, 9184, 10048, 10496, 12544, 12874, 15386, 16072, 17584, 18368, 20096, 20992, 25088, 25748, 30772, 32144, 35168, 36736, 40192, 45059, 51496, 61544, 64288, 70336, 73472, 80384, 90118, 102992, 123088, 128576, 140672, 146944, 180236, 205984, 246176, 257152, 281344, 315413, 360472, 411968, 492352, 514304, 562688, 630826, 720944, 823936, 984704, 1028608, 1261652, 1441888, 1647872, 1969408, 2523304, 2883776, 3295744, 3938816, 5046608, 5767552, 10093216, 11535104, 20186432, 23070208, 40372864, 80745728, 161491456]

約数ペア:

[(1, 161491456), (2, 80745728), (4, 40372864), (7, 23070208), (8, 20186432), (14, 11535104), (16, 10093216), (28, 5767552), (32, 5046608), (41, 3938816), (49, 3295744), (56, 2883776), (64, 2523304), (82, 1969408), (98, 1647872), (112, 1441888), (128, 1261652), (157, 1028608), (164, 984704), (196, 823936), (224, 720944), (256, 630826), (287, 562688), (314, 514304), (328, 492352), (392, 411968), (448, 360472), (512, 315413), (574, 281344), (628, 257152), (656, 246176), (784, 205984), (896, 180236), (1099, 146944), (1148, 140672), (1256, 128576), (1312, 123088), (1568, 102992), (1792, 90118), (2009, 80384), (2198, 73472), (2296, 70336), (2512, 64288), (2624, 61544), (3136, 51496), (3584, 45059), (4018, 40192), (4396, 36736), (4592, 35168), (5024, 32144), (5248, 30772), (6272, 25748), (6437, 25088), (7693, 20992), (8036, 20096), (8792, 18368), (9184, 17584), (10048, 16072), (10496, 15386), (12544, 12874)]