638443872

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2551}}^1$

素因数の和:2657

約数の個数: 144

約数和(自身を含む): 2006484480

約数和(自身を除く): 1368040608

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 79, 88, 96, 99, 132, 144, 158, 176, 198, 237, 264, 288, 316, 352, 396, 474, 528, 632, 711, 792, 869, 948, 1056, 1264, 1422, 1584, 1738, 1896, 2528, 2551, 2607, 2844, 3168, 3476, 3792, 5102, 5214, 5688, 6952, 7584, 7653, 7821, 10204, 10428, 11376, 13904, 15306, 15642, 20408, 20856, 22752, 22959, 27808, 28061, 30612, 31284, 40816, 41712, 45918, 56122, 61224, 62568, 81632, 83424, 84183, 91836, 112244, 122448, 125136, 168366, 183672, 201529, 224488, 244896, 250272, 252549, 336732, 367344, 403058, 448976, 505098, 604587, 673464, 734688, 806116, 897952, 1010196, 1209174, 1346928, 1612232, 1813761, 2020392, 2216819, 2418348, 2693856, 3224464, 3627522, 4040784, 4433638, 4836696, 6448928, 6650457, 7255044, 8081568, 8867276, 9673392, 13300914, 14510088, 17734552, 19346784, 19951371, 26601828, 29020176, 35469104, 39902742, 53203656, 58040352, 70938208, 79805484, 106407312, 159610968, 212814624, 319221936, 638443872]

約数ペア:

[(1, 638443872), (2, 319221936), (3, 212814624), (4, 159610968), (6, 106407312), (8, 79805484), (9, 70938208), (11, 58040352), (12, 53203656), (16, 39902742), (18, 35469104), (22, 29020176), (24, 26601828), (32, 19951371), (33, 19346784), (36, 17734552), (44, 14510088), (48, 13300914), (66, 9673392), (72, 8867276), (79, 8081568), (88, 7255044), (96, 6650457), (99, 6448928), (132, 4836696), (144, 4433638), (158, 4040784), (176, 3627522), (198, 3224464), (237, 2693856), (264, 2418348), (288, 2216819), (316, 2020392), (352, 1813761), (396, 1612232), (474, 1346928), (528, 1209174), (632, 1010196), (711, 897952), (792, 806116), (869, 734688), (948, 673464), (1056, 604587), (1264, 505098), (1422, 448976), (1584, 403058), (1738, 367344), (1896, 336732), (2528, 252549), (2551, 250272), (2607, 244896), (2844, 224488), (3168, 201529), (3476, 183672), (3792, 168366), (5102, 125136), (5214, 122448), (5688, 112244), (6952, 91836), (7584, 84183), (7653, 83424), (7821, 81632), (10204, 62568), (10428, 61224), (11376, 56122), (13904, 45918), (15306, 41712), (15642, 40816), (20408, 31284), (20856, 30612), (22752, 28061), (22959, 27808)]