28281888

素因数分解:

$2^5\times 3^2\times {\mathrm{283}}^1\times {\mathrm{347}}^1$

素因数の和:646

約数の個数: 72

約数和(自身を含む): 80943408

約数和(自身を除く): 52661520

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 283, 288, 347, 566, 694, 849, 1041, 1132, 1388, 1698, 2082, 2264, 2547, 2776, 3123, 3396, 4164, 4528, 5094, 5552, 6246, 6792, 8328, 9056, 10188, 11104, 12492, 13584, 16656, 20376, 24984, 27168, 33312, 40752, 49968, 81504, 98201, 99936, 196402, 294603, 392804, 589206, 785608, 883809, 1178412, 1571216, 1767618, 2356824, 3142432, 3535236, 4713648, 7070472, 9427296, 14140944, 28281888]

約数ペア:

[(1, 28281888), (2, 14140944), (3, 9427296), (4, 7070472), (6, 4713648), (8, 3535236), (9, 3142432), (12, 2356824), (16, 1767618), (18, 1571216), (24, 1178412), (32, 883809), (36, 785608), (48, 589206), (72, 392804), (96, 294603), (144, 196402), (283, 99936), (288, 98201), (347, 81504), (566, 49968), (694, 40752), (849, 33312), (1041, 27168), (1132, 24984), (1388, 20376), (1698, 16656), (2082, 13584), (2264, 12492), (2547, 11104), (2776, 10188), (3123, 9056), (3396, 8328), (4164, 6792), (4528, 6246), (5094, 5552)]