28494208

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 60318720

約数和(自身を除く): 31824512

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 64, 86, 124, 128, 167, 172, 248, 334, 344, 496, 668, 688, 992, 1333, 1336, 1376, 1984, 2666, 2672, 2752, 3968, 5177, 5332, 5344, 5504, 7181, 10354, 10664, 10688, 14362, 20708, 21328, 21376, 28724, 41416, 42656, 57448, 82832, 85312, 114896, 165664, 170624, 222611, 229792, 331328, 445222, 459584, 662656, 890444, 919168, 1780888, 3561776, 7123552, 14247104, 28494208]

約数ペア:

[(1, 28494208), (2, 14247104), (4, 7123552), (8, 3561776), (16, 1780888), (31, 919168), (32, 890444), (43, 662656), (62, 459584), (64, 445222), (86, 331328), (124, 229792), (128, 222611), (167, 170624), (172, 165664), (248, 114896), (334, 85312), (344, 82832), (496, 57448), (668, 42656), (688, 41416), (992, 28724), (1333, 21376), (1336, 21328), (1376, 20708), (1984, 14362), (2666, 10688), (2672, 10664), (2752, 10354), (3968, 7181), (5177, 5504), (5332, 5344)]