638650752

素因数分解:

$2^7\times 3^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{433}}^1$

素因数の和:640

約数の個数: 128

約数和(自身を含む): 1784885760

約数和(自身を除く): 1146235008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 167, 184, 192, 276, 334, 368, 384, 433, 501, 552, 668, 736, 866, 1002, 1104, 1299, 1336, 1472, 1732, 2004, 2208, 2598, 2672, 2944, 3464, 3841, 4008, 4416, 5196, 5344, 6928, 7682, 8016, 8832, 9959, 10392, 10688, 11523, 13856, 15364, 16032, 19918, 20784, 21376, 23046, 27712, 29877, 30728, 32064, 39836, 41568, 46092, 55424, 59754, 61456, 64128, 72311, 79672, 83136, 92184, 119508, 122912, 144622, 159344, 166272, 184368, 216933, 239016, 245824, 289244, 318688, 368736, 433866, 478032, 491648, 578488, 637376, 737472, 867732, 956064, 1156976, 1274752, 1474944, 1663153, 1735464, 1912128, 2313952, 3326306, 3470928, 3824256, 4627904, 4989459, 6652612, 6941856, 9255808, 9978918, 13305224, 13883712, 19957836, 26610448, 27767424, 39915672, 53220896, 79831344, 106441792, 159662688, 212883584, 319325376, 638650752]

約数ペア:

[(1, 638650752), (2, 319325376), (3, 212883584), (4, 159662688), (6, 106441792), (8, 79831344), (12, 53220896), (16, 39915672), (23, 27767424), (24, 26610448), (32, 19957836), (46, 13883712), (48, 13305224), (64, 9978918), (69, 9255808), (92, 6941856), (96, 6652612), (128, 4989459), (138, 4627904), (167, 3824256), (184, 3470928), (192, 3326306), (276, 2313952), (334, 1912128), (368, 1735464), (384, 1663153), (433, 1474944), (501, 1274752), (552, 1156976), (668, 956064), (736, 867732), (866, 737472), (1002, 637376), (1104, 578488), (1299, 491648), (1336, 478032), (1472, 433866), (1732, 368736), (2004, 318688), (2208, 289244), (2598, 245824), (2672, 239016), (2944, 216933), (3464, 184368), (3841, 166272), (4008, 159344), (4416, 144622), (5196, 122912), (5344, 119508), (6928, 92184), (7682, 83136), (8016, 79672), (8832, 72311), (9959, 64128), (10392, 61456), (10688, 59754), (11523, 55424), (13856, 46092), (15364, 41568), (16032, 39836), (19918, 32064), (20784, 30728), (21376, 29877), (23046, 27712)]