28502784

素因数分解:

$2^8\times 3^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 108

約数和(自身を含む): 83701800

約数和(自身を除く): 55199016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 89, 96, 128, 139, 144, 178, 192, 256, 267, 278, 288, 356, 384, 417, 534, 556, 576, 712, 768, 801, 834, 1068, 1112, 1152, 1251, 1424, 1602, 1668, 2136, 2224, 2304, 2502, 2848, 3204, 3336, 4272, 4448, 5004, 5696, 6408, 6672, 8544, 8896, 10008, 11392, 12371, 12816, 13344, 17088, 17792, 20016, 22784, 24742, 25632, 26688, 34176, 35584, 37113, 40032, 49484, 51264, 53376, 68352, 74226, 80064, 98968, 102528, 106752, 111339, 148452, 160128, 197936, 205056, 222678, 296904, 320256, 395872, 445356, 593808, 791744, 890712, 1187616, 1583488, 1781424, 2375232, 3166976, 3562848, 4750464, 7125696, 9500928, 14251392, 28502784]

約数ペア:

[(1, 28502784), (2, 14251392), (3, 9500928), (4, 7125696), (6, 4750464), (8, 3562848), (9, 3166976), (12, 2375232), (16, 1781424), (18, 1583488), (24, 1187616), (32, 890712), (36, 791744), (48, 593808), (64, 445356), (72, 395872), (89, 320256), (96, 296904), (128, 222678), (139, 205056), (144, 197936), (178, 160128), (192, 148452), (256, 111339), (267, 106752), (278, 102528), (288, 98968), (356, 80064), (384, 74226), (417, 68352), (534, 53376), (556, 51264), (576, 49484), (712, 40032), (768, 37113), (801, 35584), (834, 34176), (1068, 26688), (1112, 25632), (1152, 24742), (1251, 22784), (1424, 20016), (1602, 17792), (1668, 17088), (2136, 13344), (2224, 12816), (2304, 12371), (2502, 11392), (2848, 10008), (3204, 8896), (3336, 8544), (4272, 6672), (4448, 6408), (5004, 5696)]