638767872

素因数分解:

$2^8\times 3^2\times {\mathrm{53}}^1\times {\mathrm{5231}}^1$

素因数の和:5306

約数の個数: 108

約数和(自身を含む): 1876833504

約数和(自身を除く): 1238065632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 64, 72, 96, 106, 128, 144, 159, 192, 212, 256, 288, 318, 384, 424, 477, 576, 636, 768, 848, 954, 1152, 1272, 1696, 1908, 2304, 2544, 3392, 3816, 5088, 5231, 6784, 7632, 10176, 10462, 13568, 15264, 15693, 20352, 20924, 30528, 31386, 40704, 41848, 47079, 61056, 62772, 83696, 94158, 122112, 125544, 167392, 188316, 251088, 277243, 334784, 376632, 502176, 554486, 669568, 753264, 831729, 1004352, 1108972, 1339136, 1506528, 1663458, 2008704, 2217944, 2495187, 3013056, 3326916, 4017408, 4435888, 4990374, 6026112, 6653832, 8871776, 9980748, 12052224, 13307664, 17743552, 19961496, 26615328, 35487104, 39922992, 53230656, 70974208, 79845984, 106461312, 159691968, 212922624, 319383936, 638767872]

約数ペア:

[(1, 638767872), (2, 319383936), (3, 212922624), (4, 159691968), (6, 106461312), (8, 79845984), (9, 70974208), (12, 53230656), (16, 39922992), (18, 35487104), (24, 26615328), (32, 19961496), (36, 17743552), (48, 13307664), (53, 12052224), (64, 9980748), (72, 8871776), (96, 6653832), (106, 6026112), (128, 4990374), (144, 4435888), (159, 4017408), (192, 3326916), (212, 3013056), (256, 2495187), (288, 2217944), (318, 2008704), (384, 1663458), (424, 1506528), (477, 1339136), (576, 1108972), (636, 1004352), (768, 831729), (848, 753264), (954, 669568), (1152, 554486), (1272, 502176), (1696, 376632), (1908, 334784), (2304, 277243), (2544, 251088), (3392, 188316), (3816, 167392), (5088, 125544), (5231, 122112), (6784, 94158), (7632, 83696), (10176, 62772), (10462, 61056), (13568, 47079), (15264, 41848), (15693, 40704), (20352, 31386), (20924, 30528)]