28781352

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{7013}}^1$

素因数の和:7047

約数の個数: 64

約数和(自身を含む): 84168000

約数和(自身を除く): 55386648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 513, 684, 1026, 1368, 2052, 4104, 7013, 14026, 21039, 28052, 42078, 56104, 63117, 84156, 126234, 133247, 168312, 189351, 252468, 266494, 378702, 399741, 504936, 532988, 757404, 799482, 1065976, 1199223, 1514808, 1598964, 2398446, 3197928, 3597669, 4796892, 7195338, 9593784, 14390676, 28781352]

約数ペア:

[(1, 28781352), (2, 14390676), (3, 9593784), (4, 7195338), (6, 4796892), (8, 3597669), (9, 3197928), (12, 2398446), (18, 1598964), (19, 1514808), (24, 1199223), (27, 1065976), (36, 799482), (38, 757404), (54, 532988), (57, 504936), (72, 399741), (76, 378702), (108, 266494), (114, 252468), (152, 189351), (171, 168312), (216, 133247), (228, 126234), (342, 84156), (456, 63117), (513, 56104), (684, 42078), (1026, 28052), (1368, 21039), (2052, 14026), (4104, 7013)]