638049256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1699}}^1$

素因数の和:1898

約数の個数: 64

約数和(自身を含む): 1353744000

約数和(自身を除く): 715694744

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 157, 184, 299, 314, 598, 628, 1196, 1256, 1699, 2041, 2392, 3398, 3611, 4082, 6796, 7222, 8164, 13592, 14444, 16328, 22087, 28888, 39077, 44174, 46943, 78154, 88348, 93886, 156308, 176696, 187772, 266743, 312616, 375544, 508001, 533486, 1016002, 1066972, 2032004, 2133944, 3467659, 4064008, 6135089, 6935318, 12270178, 13870636, 24540356, 27741272, 49080712, 79756157, 159512314, 319024628, 638049256]

約数ペア:

[(1, 638049256), (2, 319024628), (4, 159512314), (8, 79756157), (13, 49080712), (23, 27741272), (26, 24540356), (46, 13870636), (52, 12270178), (92, 6935318), (104, 6135089), (157, 4064008), (184, 3467659), (299, 2133944), (314, 2032004), (598, 1066972), (628, 1016002), (1196, 533486), (1256, 508001), (1699, 375544), (2041, 312616), (2392, 266743), (3398, 187772), (3611, 176696), (4082, 156308), (6796, 93886), (7222, 88348), (8164, 78154), (13592, 46943), (14444, 44174), (16328, 39077), (22087, 28888)]