991505904

素因数分解:

$2^4\times 3^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{859}}^1$

素因数の和:1182

約数の個数: 80

約数和(自身を含む): 2597750400

約数和(自身を除く): 1606244496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 173, 278, 346, 417, 519, 556, 692, 834, 859, 1038, 1112, 1384, 1668, 1718, 2076, 2224, 2577, 2768, 3336, 3436, 4152, 5154, 6672, 6872, 8304, 10308, 13744, 20616, 24047, 41232, 48094, 72141, 96188, 119401, 144282, 148607, 192376, 238802, 288564, 297214, 358203, 384752, 445821, 477604, 577128, 594428, 716406, 891642, 955208, 1154256, 1188856, 1432812, 1783284, 1910416, 2377712, 2865624, 3566568, 5731248, 7133136, 20656373, 41312746, 61969119, 82625492, 123938238, 165250984, 247876476, 330501968, 495752952, 991505904]

約数ペア:

[(1, 991505904), (2, 495752952), (3, 330501968), (4, 247876476), (6, 165250984), (8, 123938238), (12, 82625492), (16, 61969119), (24, 41312746), (48, 20656373), (139, 7133136), (173, 5731248), (278, 3566568), (346, 2865624), (417, 2377712), (519, 1910416), (556, 1783284), (692, 1432812), (834, 1188856), (859, 1154256), (1038, 955208), (1112, 891642), (1384, 716406), (1668, 594428), (1718, 577128), (2076, 477604), (2224, 445821), (2577, 384752), (2768, 358203), (3336, 297214), (3436, 288564), (4152, 238802), (5154, 192376), (6672, 148607), (6872, 144282), (8304, 119401), (10308, 96188), (13744, 72141), (20616, 48094), (24047, 41232)]